Family
Meanings and phrases
family
- a social unit living together; household; house; home; menage
- primary social group; parents and children; family unit
- a collection of things sharing a common attribute; class; category
- people descended from a common ancestor; family line; folk; kinfolk; kinsfolk; sept; phratry
- (biology) a taxonomic group containing one or more genera
- a person having kinship with another or others; kin; kinsperson
- an association of people who share common beliefs or activities; fellowship
- a loose affiliation of gangsters in charge of organized criminal activities; syndicate; crime syndicate; mob
Goodenia family
- a family of sappy plants that grow in Australasia and southeast China; Goodeniaceae; family Goodeniaceae
Salvadora family
- a family of Old World shrubs and trees of order Gentianales; related to Oleaceae but having four stamens and four petals; Salvadoraceae; family Salvadoraceae
n.
- widely distributed family of chiefly tropical trees and shrubs and vines that produce oils and resins and some usable timber; Guttiferae; family Guttiferae; Clusiaceae; family Clusiaceae
n.
- widely distributed herbs and shrubs and trees; sometimes placed in the order Scrophulariales; Acanthaceae; family Acanthaceae
n.
- chiefly tropical and xerophytic plants: includes Dracenaceae (Dracaenaceae); comprises plants that in some classifications are divided between the Amaryllidaceae and the Liliaceae; Agavaceae; family Agavaceae; sisal family
n.
- one of many families or subfamilies into which some classification systems subdivide the Liliaceae but not widely accepted; Aloeaceae; family Aloeaceae
n.
- snowdrop; narcissus; daffodil; in some classification systems considered a subfamily of the Liliaceae; Amaryllidaceae; family Amaryllidaceae
n.
- tall evergreen cone-bearing trees of South America and Australia with broad leathery leaves; in some classifications included in the Pinaceae; Araucariaceae; family Araucariaceae
arrow-grass family
- a family of monocotyledonous bog herbs of order Naiadales; Scheuchzeriaceae; family Scheuchzeriaceae; Juncaginaceae; family Juncaginaceae
n.
- tropical perennial herbs with usually starchy rhizomes; Marantaceae; family Marantaceae
n.
- plants with heads composed of many florets: aster; daisy; dandelion; goldenrod; marigold; lettuces; ragweed; sunflower; thistle; zinnia; Compositae; family Compositae; Asteraceae; family Asteraceae
n.
- family of more or less advanced dicotyledonous herbs and some trees and shrubs
n.
- distinguished from the family Geraniaceae by the irregular flowers; Balsaminaceae; family Balsaminaceae
n.
- natural family planning in which the fertile period of the woman's menstrual cycle is inferred by noting the rise in basal body temperature that typically occurs with ovulation; basal body temperature method
bean-caper family
- small trees, shrubs, and herbs of warm arid and saline regions; often resinous; some poisonous: genera Zygophyllum, Tribulus, Guaiacum, Larrea; Zygophyllaceae; family Zygophyllaceae
n.
- chiefly monoecious trees and shrubs: beeches; chestnuts; oaks; genera Castanea, Castanopsis, Chrysolepis, Fagus, Lithocarpus, Nothofagus, Quercus; Fagaceae; family Fagaceae
n.
- monoecious succulent herbs or shrubs of tropical and warm regions especially America; Begoniaceae; family Begoniaceae
n.
- family of plants of the order Campanulales; in some classifications includes Lobeliaceae; Campanulaceae; family Campanulaceae
n.
- monoecious trees and shrubs (including the genera Betula and Alnus and Carpinus and Corylus and Ostrya and Ostryopsis); Betulaceae; family Betulaceae
n.
- a family of warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings
n.
- family of birthworts (including wild ginger); Aristolochiaceae; family Aristolochiaceae
bladdernut family
- a family of dicotyledonous plants of order Sapindales found mostly in the north temperate zone; Staphylaceae; family Staphylaceae
n.
- carnivorous aquatic or bog plants: genera Utricularia, Pinguicula, and Genlisea; Lentibulariaceae; family Lentibulariaceae
n.
- a widely distributed family of plants distinguished by circinate flowers and nutlike fruit; Boraginaceae; family Boraginaceae
broomrape family
- brown or yellow leafless herbs; sometimes placed in the order Scrophulariales; Orobanchaceae; family Orobanchaceae
n.
- a dicotyledonous family of marsh plants of order Gentianales; Menyanthaceae; family Menyanthaceae
n.
- trees and shrubs usually thorny bearing drupaceous fruit many having medicinal value; Rhamnaceae; family Rhamnaceae
n.
- a family of plants of order Polygonales chiefly of the north temperate zone; includes the buckwheats; Polygonaceae; family Polygonaceae
bur-reed family
- coextensive with the genus Sparganium; Sparganiaceae; family Sparganiaceae
n.
- shrubs or small trees having aromatic bark; the eastern United States and eastern Asia; Calycanthaceae; family Calycanthaceae; strawberry-shrub family
n.
- one genus: aromatic tropical trees of eastern Africa and Florida to West Indies; Canellaceae; family Canellaceae
n.
- a dilleniid dicot family of the order Rhoeadales that includes: genera Capparis, Cleome, Crateva, and Polanisia; Capparidaceae; family Capparidaceae
n.
- large family of herbs or subshrubs (usually with stems swollen at the nodes); Caryophyllaceae; family Caryophyllaceae; pink family
n.
- succulent herbs or small shrubs mostly of South Africa but also New Zealand and North America: carpetweeds; fig marigolds; Aizoaceae; family Aizoaceae; Tetragoniaceae; family Tetragoniaceae
n.
- plants having flowers in umbels: parsley; carrot; anise; caraway; celery; dill; Umbelliferae; family Umbelliferae; Apiaceae; family Apiaceae
n.
- family of relatively early dicotyledonous plants including mostly flowers
n.
- perennial marsh plants with creeping rootstocks and long linear leaves; Typhaceae; family Typhaceae
clubmoss family
- a family of ferns belonging to the order Lycopodiales; Lycopodiaceae; family Lycopodiaceae
n.
- a family of tropical trees and shrubs of the order Myrtales; Combretaceae; family Combretaceae
n.
- a family consisting of parents and their children and grandparents of a marital partner; nuclear family
n.
- coextensive with the genus Leitneria; commonly isolated in a distinct order; Leitneriaceae; family Leitneriaceae
cunonia family
- trees or shrubs or climbers; mostly southern hemisphere; Cunoniaceae; family Cunoniaceae
custard-apple family
- chiefly tropical trees or shrubs; Annonaceae; family Annonaceae
n.
- ancient palmlike plants closely related to ferns in that fertilization is by means of spermatozoids; Cycadaceae; family Cycadaceae
n.
- shrubs and trees with leathery leaves and small white flowers in racemes: genera Cyrilla and Cliftonia; Cyrilliaceae; family Cyrilliaceae; titi family
n.
- family of trees and shrubs and herbs having tough bark that are found especially in Australia and tropical Africa; Thymelaeaceae; family Thymelaeaceae
n.
- north temperate low evergreen plants; in some classifications placed in its own order Diapensiales; Diapensiaceae; family Diapensiaceae
n.
- family of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination; magnoliopsid family
n.
- chiefly tropical trees or shrubs or herbs having milky juice and often showy flowers; many are sources of drugs; Apocynaceae; family Apocynaceae
n.
- a rosid dicot family of the order Umbellales including: genera Aucuba, Cornus, Corokia, Curtisia, Griselinia, Helwingia; Cornaceae; family Cornaceae
n.
- fruit and timber trees of tropical and warm regions including ebony and persimmon; Ebenaceae; family Ebenaceae
n.
- used in some classifications: essentially equivalent to Potamogetonaceae; Zosteraceae; family Zosteraceae
n.
- genus of trees and shrubs widely distributed in warm regions some yielding useful timber; in some classifications included in the family Santalaceae; Elaeocarpaceae; family Elaeocarpaceae
n.
- a dicot family of the order Urticales including: genera Ulmus, Celtis, Planera, Trema; Ulmaceae; family Ulmaceae
evening-primrose family
- a large and widely distributed family of plants of the order Myrtales; Onagraceae; family Onagraceae
n.
- a family consisting of the nuclear family and their blood relatives
- Together, they murder their whole extended family.
- It consists of both immediate and extended family.
- Along with his extended family and his thralls (i.e.
family Acanthaceae
- widely distributed herbs and shrubs and trees; sometimes placed in the order Scrophulariales; Acanthaceae; acanthus family
family Acanthisittidae
- alternative names for the family comprising the New Zealand wrens; Xenicidae; family Xenicidae; Acanthisittidae
family Acanthuridae
- surgeonfishes; Acanthuridae
family Acaridae
- mites; Acaridae
family Accipitridae
- hawks; Old World vultures; kites; harriers; eagles; Accipitridae
family Aceraceae
- a family of trees and shrubs of order Sapindales including the maples; Aceraceae; maple family
family Acipenseridae
- sturgeons; Acipenseridae
family Acrididae
- short-horned grasshoppers; true locusts; Acrididae; Locustidae; family Locustidae
family Actinidiaceae
- tropical trees or shrubs or woody vines; Actinidiaceae
family Actinomycetaceae
- filamentous anaerobic bacteria; Actinomycetaceae
family Adelgidae
- plant lice; Adelgidae
family Adiantaceae
- used in some classification systems for some genera of the family Polypodiaceae (or Pteridaceae); Adiantaceae
family Aegypiidae
- in some classifications considered the family comprising the Old World vultures which are more often included in the family Accipitridae; Aegypiidae
family Aepyornidae
- coextensive with the order Aepyorniformes; Aepyornidae
family Agamidae
- an Old World reptile family of Sauria; Agamidae
family Agaricaceae
- large family including many familiar mushrooms; Agaricaceae
family Agavaceae
- chiefly tropical and xerophytic plants: includes Dracenaceae (Dracaenaceae); comprises plants that in some classifications are divided between the Amaryllidaceae and the Liliaceae; Agavaceae; agave family; sisal family
family Agonidae
- poachers; Agonidae
family Ailuropodidae
- in some classifications considered the family comprising the giant pandas; Ailuropodidae
family Aizoaceae
- succulent herbs or small shrubs mostly of South Africa but also New Zealand and North America: carpetweeds; fig marigolds; Aizoaceae; Tetragoniaceae; family Tetragoniaceae; carpetweed family
family Akeridae
- bubble shells; Akeridae
family Alaudidae
- larks; Alaudidae
family Albuginaceae
- fungi that produce white sori resembling blisters on certain flowering plants; Albuginaceae
family Albulidae
- bonefish; Albulidae
family Alcedinidae
- kingfishers; Alcedinidae
family Alcidae
- web-footed diving seabirds of northern seas: auks; puffins; guillemots; murres; etc.; Alcidae
family Aleyrodidae
- whiteflies; Aleyrodidae
family Alismataceae
- perennial or annual aquatic or marsh plants; Alismataceae; water-plantain family
family Alliaceae
- one of many families or subfamilies into which some classification systems subdivide the Liliaceae but not widely accepted; includes especially genus Allium; Alliaceae
family Alligatoridae
- alligators; caimans; Alligatoridae
family Allioniaceae
- a family of flowering plants of the order Caryophyllales; Nyctaginaceae; family Nyctaginaceae; Allioniaceae; four-o'clock family
family Aloeaceae
- one of many families or subfamilies into which some classification systems subdivide the Liliaceae but not widely accepted; Aloeaceae; aloe family
family Alopiidae
- thresher sharks; Alopiidae
family Alstroemeriaceae
- one of many families or subfamilies into which some classification systems subdivide the Liliaceae but not widely accepted; sometimes included in subfamily Amaryllidaceae; Alstroemeriaceae
family Amaranthaceae
- cosmopolitan family of herbs and shrubs; Amaranthaceae; amaranth family
family Amaryllidaceae
- snowdrop; narcissus; daffodil; in some classification systems considered a subfamily of the Liliaceae; Amaryllidaceae; amaryllis family
family Ambrosiaceae
- in some classifications considered a separate family comprising a subgroup of the Compositae including the ragweeds; Ambrosiaceae
family Ambystomatidae
- New World salamanders; Ambystomatidae
family Ameiuridae
- North American catfishes; Ameiuridae
family Amiidae
- only the bowfins; Amiidae
family Ammodytidae
- sand lances; Ammodytidae
family Amphioxidae
- lancelets; Amphioxidae; Branchiostomidae; family Branchiostomidae
family Amphisbaenidae
- worm lizards; Amphisbaenidae
family Amphiumidae
- congo snakes; Amphiumidae
family Amygdalaceae
- used in former classifications for plum and peach and almond trees which are now usually classified as members of the genus Prunus; Amygdalaceae
family Anabantidae
- small freshwater spiny-finned fishes of Africa and southern Asia; Anabantidae
family Anacardiaceae
- the cashew family; trees and shrubs and vines having resinous (sometimes poisonous) juice; includes cashew and mango and pistachio and poison ivy and sumac; Anacardiaceae; sumac family
family Anarhichadidae
- wolffishes; Anarhichadidae
family Anatidae
- swimming birds having heavy short-legged bodies and bills with a horny tip: swans; geese; ducks; Anatidae
family Ancylidae
- freshwater gastropod; Ancylidae
family Ancylostomatidae
- hookworms; Ancylostomatidae
family Andrenidae
- a large family of solitary short-tongued bees most of which burrow in the ground; Andrenidae
family Anguidae
- alligator lizards; Anguidae
family Anguillidae
- eels that live in fresh water as adults but return to the sea to spawn; Anguillidae
family Anhimidae
- screamers; Anhimidae
family Anhingidae
- snakebirds; Anhingidae
family Anniellidae
- legless lizards; Anniellidae
family Annonaceae
- chiefly tropical trees or shrubs; Annonaceae; custard-apple family
family Anobiidae
- deathwatch beetles; Anobiidae
family Anomalopidae
- a family of fish including: flashlight fishes; Anomalopidae
family Anomiidae
- saddle oysters; Anomiidae
family Antedonidae
- feather stars; Antedonidae
family Antennariidae
- frogfishes; tropical spiny-finned marine fishes having large nearly vertical mouths; related to toadfishes and anglers; Antennariidae
family Anthocerotaceae
- hornworts; Anthocerotaceae
family Antilocapridae
- comprising only the pronghorns; Antilocapridae
family Aphididae
- small soft-bodied plant lice; Aphididae
family Aphyllanthaceae
- one of many families or subfamilies into which some classification systems subdivide the Liliaceae but not widely accepted; includes genus Aphyllanthes; Aphyllanthaceae
family Apiaceae
- plants having flowers in umbels: parsley; carrot; anise; caraway; celery; dill; Umbelliferae; family Umbelliferae; Apiaceae; carrot family
family Apidae
- honeybees; carpenter bees; bumblebees; Apidae
family Aplodontiidae
- mountain beavers; Aplodontiidae
family Aplysiidae
- sea hares; Aplysiidae; Tethyidae; family Tethyidae
family Apocynaceae
- chiefly tropical trees or shrubs or herbs having milky juice and often showy flowers; many are sources of drugs; Apocynaceae; dogbane family
family Apodidae
- swifts; in former classifications included in the order Coraciiformes; Apodidae
family Apogonidae
- bright-colored marine fishes that incubate eggs in the mouth; Apogonidae
family Apterygidae
- coextensive with the order Apterygiformes; Apterygidae
family Aquifoliaceae
- widely distributed shrubs and trees; Aquifoliaceae; holly family
family Araceae
- anthurium; calla lily; jack-in-the-pulpit; philodendron; Araceae; arum family
family Araliaceae
- mostly tropical trees and shrubs and lianas: genera Panax and Hedera; Araliaceae; ivy family
family Araucariaceae
- tall evergreen cone-bearing trees of South America and Australia with broad leathery leaves; in some classifications included in the Pinaceae; Araucariaceae; araucaria family
family Arcellidae
- soil and freshwater protozoa; cosmopolitan in distribution; Arcellidae
family Arcidae
- ark shells; Arcidae
family Arctiidae
- tiger moths; Arctiidae
family Ardeidae
- herons; egrets; night herons; bitterns; Ardeidae
family Arecaceae
- chiefly tropical trees and shrubs and vines usually having a tall columnar trunk bearing a crown of very large leaves; coextensive with the order Palmales; Palmae; family Palmae; Palmaceae; family Palmaceae; Arecaceae; palm family
family Argasidae
- soft ticks; Argasidae
family Argentinidae
- small marine soft-finned fishes with long silvery bodies; related to salmons and trouts; Argentinidae
family Argiopidae
- spiders that spin orb webs; cosmopolitan in distribution; Argiopidae; orb-weaver
family Argonautidae
- represented solely by the genus Argonauta; Argonautidae
family Ariidae
- sea catfishes; Ariidae
family Aristolochiaceae
- family of birthworts (including wild ginger); Aristolochiaceae; birthwort family
family Armadillidiidae
- pill bugs; Armadillidiidae
family Artamidae
- wood swallows; Artamidae
family Ascaphidae
- family of one species of frog: tailed frog; Ascaphidae
family Ascaridae
- large roundworms parasitic in intestines of vertebrates; Ascaridae
family Asclepiadaceae
- widely distributed family of herbs and shrubs of the order Gentianales; most with milky juice; Asclepiadaceae; milkweed family
family Asilidae
- robber flies; Asilidae
family Asparagaceae
- one of many families or subfamilies into which some classification systems subdivide the Liliaceae: includes genera Asparagus and sometimes Ruscus; Asparagaceae
family Aspergillaceae
- family of fungi including some common molds; Aspergillaceae
family Asphodelaceae
- one of many subfamilies into which some classification systems subdivide the Liliaceae; Asphodelaceae
family Aspleniaceae
- one of a number of families into which Polypodiaceae has been subdivided in some classification systems; includes genera Asplenium, Pleurosorus, Schaffneria; Aspleniaceae
family Astacidae
- crayfish; Astacidae; Astacura
family Asteraceae
- plants with heads composed of many florets: aster; daisy; dandelion; goldenrod; marigold; lettuces; ragweed; sunflower; thistle; zinnia; Compositae; family Compositae; Asteraceae; aster family
family Atherinidae
- small spiny-finned fishes of both salt and fresh water; Atherinidae
family Athiorhodaceae
- small motile sulphur bacteria; Athiorhodaceae
family Athyriaceae
- alternative names for one of a number of families into which the family Polypodiaceae has been subdivided in some classification systems; Dryopteridaceae; family Dryopteridaceae; Athyriaceae
family Atrichornithidae
- scrubbirds; Atrichornithidae
family Atropidae
- booklice; Atropidae
family Aulostomidae
- trumpetfishes; Aulostomidae
family Auriculariaceae
- fungi having gelatinous sporophores; Auriculariaceae
family Avicenniaceae
- used in some classifications: coextensive with the genus Avicennia; Avicenniaceae
family Azollaceae
- used in some classifications for the genus Azolla; Azollaceae
family Babesiidae
- piroplasms and cattle pathogens; Babesiidae
family Bacillaceae
- typically rod-shaped usually Gram-positive bacteria that produce endospores; Bacillaceae
family Bacteroidaceae
- family of bacteria living usually in the alimentary canal or on mucous surfaces of warm-blooded animals; sometimes associated with acute infective processes; Bacteroidaceae
family Balaenicipitidae
- shoebills; Balaenicipitidae
family Balaenidae
- right whales; Balaenidae
family Balaenopteridae
- rorquals; blue whales; Balaenopteridae
family Balanidae
- stalkless barnacles; Balanidae
family Balistidae
- triggerfishes; Balistidae
family Balsaminaceae
- distinguished from the family Geraniaceae by the irregular flowers; Balsaminaceae; balsam family
family Bangiaceae
- a family of protoctist; Bangiaceae
family Bathyergidae
- mole rats; sand rats; Bathyergidae
family Batidaceae
- family coextensive with genus Batis: saltworts; Batidaceae; saltwort family
family Batrachoididae
- toadfishes; related to anglers and batfishes; Batrachoididae
family Begoniaceae
- monoecious succulent herbs or shrubs of tropical and warm regions especially America; Begoniaceae; begonia family
family Belemnitidae
- family of extinct Mesozoic cephalopods; Belemnitidae
family Belonidae
- ferocious fishes of warm regions resembling but unrelated to the freshwater gars; Belonidae
family Belostomatidae
- water bugs; Belostomatidae
family Bennettitaceae
- a family of fossil gymnospermous plants of the Carboniferous; Bennettitaceae
family Berberidaceae
- shrubs or herbs; Berberidaceae; barberry family
family Betulaceae
- monoecious trees and shrubs (including the genera Betula and Alnus and Carpinus and Corylus and Ostrya and Ostryopsis); Betulaceae; birch family
family Bible
- a large Bible with pages to record marriages and births
family Bignoniaceae
- trees or shrubs or woody vines or herbs having fruit resembling gourds or capsules; sometimes placed in the order Scrophulariales; Bignoniaceae
family Bittacidae
- a family of predacious tropical insects of the order Mecoptera; Bittacidae
family Blastodiaceae
- a family of saprobic fungi of order Blastocladiales; Blastodiaceae
family Blattidae
- domestic cockroaches; Blattidae
family Blechnaceae
- one of a number of families into which the family Polypodiaceae has been subdivided in some classification systems; includes genera Blechnum, Doodia, Sadleria, Stenochlaena, and Woodwardia; Blechnaceae
family Blenniidae
- a family of fish including: combtooth blennies; Blenniidae
family Boidae
- boas and pythons; Boidae
family Boletaceae
- family of fleshy fungi having the germ pores easily separating from the cup and often from each other; Boletaceae
family Bombacaceae
- tropical trees with large dry or fleshy fruit containing usually woolly seeds; Bombacaceae
family Bombycidae
- Chinese silkworm moth; Bombycidae
family Bombycillidae
- a family of birds of the suborder Oscines; Bombycillidae
family Bombyliidae
- bee flies; Bombyliidae
family Boraginaceae
- a widely distributed family of plants distinguished by circinate flowers and nutlike fruit; Boraginaceae; borage family
family Bothidae
- a family of fish of the order Heterosomata; Bothidae
family Bovidae
- true antelopes; cattle; oxen; sheep; goats; Bovidae
family Bradypodidae
- a family of edentates comprising the true sloths; Bradypodidae
family Bramidae
- deep-bodied percoid fishes of the open seas; Bramidae
family Branchiobdellidae
- small annelid worms with the posterior end modified into an adhesive sucker; especially formerly regarded as modified leeches; Branchiobdellidae
family Branchiostegidae
- small family of marine fishes having covered gills; Branchiostegidae
family Branchiostomidae
- lancelets; Amphioxidae; family Amphioxidae; Branchiostomidae
family Brassicaceae
- a large family of plants with four-petaled flowers; includes mustards, cabbages, broccoli, turnips, cresses, and their many relatives; Cruciferae; family Cruciferae; Brassicaceae; mustard family
family Brevicipitidae
- narrow-mouthed toads and sheep frogs; some burrow and some are arboreal; found worldwide; Microhylidae; family Microhylidae; Brevicipitidae
family Bromeliaceae
- a family of tropical American plants of order Xyridales including several (as the pineapple) of economic importance; Bromeliaceae; pineapple family
family Brotulidae
- chiefly deep-sea fishes related to the Ophidiidae; Brotulidae
family Bruchidae
- seed beetles; Bruchidae
family Bryaceae
- a family of acrocarpous mosses; Bryaceae
family Buccinidae
- whelks; Buccinidae
family Bucconidae
- puffbirds; Bucconidae
family Bucerotidae
- hornbills; Bucerotidae
family Bufonidae
- true toads; Bufonidae
family Burhinidae
- large wading birds resembling the plovers: stone curlews; Burhinidae
family Burmanniaceae
- family of chiefly tropical herbs with basal leaves like bracts and small flowers; Burmanniaceae
family Burseraceae
- resinous or aromatic chiefly tropical shrubs or trees; Burseraceae; torchwood family
family Buxaceae
- widely distributed evergreen shrubs and trees; Buxaceae; box family
family Cactaceae
- constituting the order Opuntiales; Cactaceae; cactus family
family Caeciliadae
- coextensive with the order Gymnophiona: legless amphibians; Caeciliidae; family Caeciliidae; Caeciliadae
family Caeciliidae
- coextensive with the order Gymnophiona: legless amphibians; Caeciliidae; Caeciliadae; family Caeciliadae
family Caenolestidae
- small marsupials of southern South America; Caenolestidae
family Caesalpiniaceae
- spiny trees, shrubs, or perennial herbs, including the genera Caesalpinia, Cassia, Ceratonia, Bauhinia; commonly included in the family Leguminosae; Caesalpiniaceae
family Callionymidae
- dragonets; Callionymidae
family Calliphoridae
- blowflies; Calliphoridae
family Callithricidae
- marmosets; Callithricidae
family Callitrichaceae
- dicot aquatic herbs; Callitrichaceae
family Calostomataceae
- a family of fungi belonging to the order Tulostomatales; Calostomataceae
family Calycanthaceae
- shrubs or small trees having aromatic bark; the eastern United States and eastern Asia; Calycanthaceae; calycanthus family; strawberry-shrub family
family Camelidae
- camels and llamas and vicunas; Camelidae
family Campanulaceae
- family of plants of the order Campanulales; in some classifications includes Lobeliaceae; Campanulaceae; bellflower family
family Cancridae
- many of the best known edible crabs; Cancridae
family Canellaceae
- one genus: aromatic tropical trees of eastern Africa and Florida to West Indies; Canellaceae; canella family
family Canidae
- dogs; wolves; jackals; foxes; Canidae
family Cannabidaceae
- two genera of erect or twining herbs that are pollinated by the wind, including the genera Cannabis and Humulus; term not used in all classifications; in some the genus Cannabis is placed in the family Moraceae and the genus Humulus in the family Urticaceae; Cannabidaceae; hemp family
family Cannaceae
- coextensive with the genus Canna; Cannaceae
family Capitonidae
- barbets; Capitonidae
family Capparidaceae
- a dilleniid dicot family of the order Rhoeadales that includes: genera Capparis, Cleome, Crateva, and Polanisia; Capparidaceae; caper family
family Caprifoliaceae
- shrubs and small trees and woody vines; Caprifoliaceae; honeysuckle family
family Caprimulgidae
- goatsuckers; Caprimulgidae
family Caproidae
- boarfishes; Caproidae
family Capromyidae
- coypus; Capromyidae
family Capsidae
- leaf bugs; Miridae; family Miridae; Capsidae
family Carabidae
- ground beetles; Carabidae
family Carangidae
- large family of narrow-bodied marine food fishes with widely forked tails; chiefly of warm seas; Carangidae
family Carapidae
- pearlfishes: related to the Brotulidae; Carapidae
family Carcharhinidae
- largest family of living sharks; found worldwide especially in tropical waters; dorsal fin lacks spines: requiem sharks including tiger sharks and soupfin sharks; Carcharhinidae
family Carchariidae
- sand sharks; in some classifications coextensive with family Carcharhinidae; Carchariidae; Odontaspididae; family Odontaspididae
family Cardiidae
- somewhat heart-shaped sand-burrowing bivalve mollusks; Cardiidae
family Cariamidae
- crane-like South American wading birds; Cariamidae
family Caricaceae
- trees native to tropical America and Africa with milky juice and large palmately lobed leaves; Caricaceae; papaya family
family Carpinaceae
- used in some classification systems for the genera Carpinus, Ostryopsis, and Ostryopsis; Carpinaceae; subfamily Carpinaceae
family Caryocaraceae
- small genus of tropical South American trees; Caryocaraceae
family Caryophyllaceae
- large family of herbs or subshrubs (usually with stems swollen at the nodes); Caryophyllaceae; carnation family; pink family
family Castoridae
- beavers; Castoridae
family Casuaridae
- a family of large ostrich-like birds including cassowaries; Casuaridae
family Casuarinaceae
- one genus: genus Casuarina; Casuarinaceae
family Cathartidae
- condors; turkey buzzards; king vultures; Cathartidae
family Catostomidae
- suckers; closely related to the family Cyprinidae; Catostomidae
family Caviidae
- a family of Hystricomorpha; Caviidae
family Cebidae
- all the New World monkeys except marmosets and tamarins; Cebidae
family Cecidomyidae
- gall midges; Cecidomyidae
family Cecropiaceae
- in some classifications included in family Moraceae; Cecropiaceae
family Celastraceae
- trees and shrubs and woody vines usually having bright-colored fruits; Celastraceae; spindle-tree family; staff-tree family
family Centrarchidae
- sunfish family; Centrarchidae
family Centriscidae
- shrimpfishes; Centriscidae
family Centropomidae
- a family of fish or the order Perciformes including robalos; Centropomidae
family Cephalobidae
- a family of Nematoda; Cephalobidae
family Cephalotaceae
- a family of plants of order Rosales; coextensive with the genus Cephalotus; Cephalotaceae
family Cephalotaxaceae
- a family of Cephalotaxaceae; Cephalotaxaceae; plum-yew family
family Cerambycidae
- long-horned beetles; Cerambycidae
family Ceratodontidae
- lungfishes having hornlike ridges on the teeth; Ceratodontidae
family Ceratophyllaceae
- coextensive with the genus Ceratophyllum: hornworts; Ceratophyllaceae
family Ceratopogonidae
- biting midges; sand flies; Ceratopogonidae
family Ceratopsidae
- American ceratopsian dinosaurs; Ceratopsidae
family Ceratostomataceae
- fungi having carbonous perithecia with long necks; Ceratostomataceae
family Cercidiphyllaceae
- one genus; Cercidiphyllaceae
family Cercopidae
- froghoppers or spittlebugs; Cercopidae
family Cercopithecidae
- Old World monkeys: guenon; baboon; colobus monkey; langur; macaque; mandrill; mangabey; patas; proboscis monkey; Cercopithecidae
family Certhiidae
- creepers; Certhiidae
family Cervidae
- deer: reindeer; moose or elks; muntjacs; roe deer; Cervidae
family Cestidae
- coextensive with the order Cestida; ctenophores having a greatly flattened and elongated body; Cestidae
family Cetorhinidae
- in some older classifications considered the family of the basking sharks; Cetorhinidae
family Chaetodontidae
- butterfly fishes; Chaetodontidae
family Chalcidae
- an arthropod family including: chalcidflies; Chalcididae; family Chalcididae; Chalcidae
family Chalcididae
- an arthropod family including: chalcidflies; Chalcididae; Chalcidae; family Chalcidae
family Chamaeleonidae
- Old World chameleons; in some classifications they are considered a superfamily of Sauria; Chamaeleontidae; family Chamaeleontidae; Chamaeleonidae; Rhiptoglossa; family Rhiptoglossa
family Chamaeleontidae
- Old World chameleons; in some classifications they are considered a superfamily of Sauria; Chamaeleontidae; Chamaeleonidae; family Chamaeleonidae; Rhiptoglossa; family Rhiptoglossa
family Characeae
- green algae superficially resembling horsetail ferns: stoneworts; Characeae
family Characidae
- tropical freshwater fishes of Africa and South America and Central America; Characidae
family Characinidae
- former name of the Characidae; Characinidae
family Charadriidae
- plover family; Charadriidae
family Chelonidae
- green turtles; hawksbills; Cheloniidae; family Cheloniidae; Chelonidae
family Cheloniidae
- green turtles; hawksbills; Cheloniidae; Chelonidae; family Chelonidae
family Chelydridae
- snapping turtles; Chelydridae
family Chenopodiaceae
- includes spinach and beets; Chenopodiaceae; goosefoot family
family Chermidae
- jumping plant lice; Psyllidae; family Psyllidae; Chermidae
family Chimaeridae
- a family of Holocephali; Chimaeridae
family Chinchillidae
- small bushy-tailed South American burrowing rodents; Chinchillidae
family Chironomidae
- midges; Chironomidae
family Chlamydiaceae
- Gram-negative parasites in warm-blooded vertebrates; Chlamydiaceae
family Chlamydomonadaceae
- green algae some of which are colored red by hematochrome; Chlamydomonadaceae
family Chloranthaceae
- small family of tropical herbs and shrubs and trees; Chloranthaceae
family Chlorophthalmidae
- small family of soft-finned bottom-dwellers with large eyes; relatives of lizardfishes; Chlorophthalmidae
family Chrysochloridae
- golden moles; Chrysochloridae
family Chrysomelidae
- leaf beetles; Chrysomelidae
family Chrysopidae
- green lacewings; Chrysopidae
family Chytridiaceae
- a family of aquatic fungi of order Chytridiales; Chytridiaceae
family Cicadellidae
- leafhoppers; Cicadellidae
family Cicadidae
- cicadas; Cicadidae
family Cichlidae
- cichlids; Cichlidae
family Cicindelidae
- tiger beetles; Cicindelidae
family Ciconiidae
- storks; Ciconiidae
family Cimicidae
- wingless flat-bodied bloodsucking insects; Cimicidae
family Cinclidae
- water ouzels; Cinclidae
family Cistaceae
- shrubs or woody herbs of temperate regions especially Mediterranean; Cistaceae; rockrose family
family Cladoniaceae
- a family of lichens; Cladoniaceae
family Clathraceae
- family of fleshy fungi resembling stinkhorns; Clathraceae
family Clavariaceae
- fleshy fungi: coral fungi; Clavariaceae
family Cleridae
- beetles that prey on other insects; Cleridae
family Clethraceae
- coextensive with the genus Clethra; Clethraceae; white-alder family
family Clinidae
- viviparous blennies of temperate and tropical seas; Clinidae
family Clupeidae
- herrings; shad; sardines; etc.; Clupeidae
family Clusiaceae
- widely distributed family of chiefly tropical trees and shrubs and vines that produce oils and resins and some usable timber; Guttiferae; family Guttiferae; Clusiaceae; St John's wort family
family Cobitidae
- loaches; Cobitidae
family Coccidae
- scale insects; Coccidae
family Coccinellidae
- the ladybugs; Coccinellidae
family Coerebidae
- the honeycreepers; Coerebidae; Dacninae; family Dacninae
family Colchicaceae
- one of many subfamilies into which some classification systems subdivide the Liliaceae but not widely accepted: genera Colchicum and Gloriosa; Colchicaceae
family Colubridae
- nonvenomous snakes; about two-thirds of all living species; Colubridae
family Columbidae
- doves and pigeons; Columbidae
family Comatulidae
- former usage synonymous with Antedonidae; Comatulidae
family Combretaceae
- a family of tropical trees and shrubs of the order Myrtales; Combretaceae; combretum family
family Commelinaceae
- large widely distributed family of chiefly perennial herbs or climbers: spiderworts; Commelinaceae; spiderwort family
family Compositae
- plants with heads composed of many florets: aster; daisy; dandelion; goldenrod; marigold; lettuces; ragweed; sunflower; thistle; zinnia; Compositae; Asteraceae; family Asteraceae; aster family
family Congridae
- marine eels; Congridae
family Connaraceae
- mostly tropical climbing shrubs or small trees; closely related to Leguminosae; Connaraceae; zebrawood family
family Convallariaceae
- one of many subfamilies into which some classification systems subdivide the Liliaceae but not widely accepted; Convallariaceae
family Convolvulaceae
- morning glory; bindweed; sweet potato; plants having trumpet-shaped flowers and a climbing or twining habit; Convolvulaceae; morning-glory family
family Coprinaceae
- used in some classifications for the genus Coprinus; Coprinaceae
family Coraciidae
- rollers; Coraciidae
family Cordaitaceae
- chiefly Paleozoic plants; Cordaites is the chief and typical genus; Cordaitaceae
family Cordylidae
- small family of spiny ovoviviparous African lizards; Cordylidae
family Coregonidae
- soft-finned fishes comprising the freshwater whitefishes; formerly included in the family Salmonidae; Coregonidae
family Coreidae
- squash bugs and leaf-footed bugs; Coreidae
family Corixidae
- water bugs; Corixidae
family Cornaceae
- a rosid dicot family of the order Umbellales including: genera Aucuba, Cornus, Corokia, Curtisia, Griselinia, Helwingia; Cornaceae; dogwood family
family Cortinariaceae
- a family of fungi belonging to the order Agaricales; Cortinariaceae
family Corvidae
- crow; raven; rook; jackdaw; chough; magpie; jay; Corvidae
family Corydalidae
- dobsons; Corydalidae
family Corylaceae
- used in some classification systems for the genus Corylus; Corylaceae; subfamily Corylaceae
family Corynebacteriaceae
- a large family of mostly Gram-positive and aerobic and nonmotile rod-shaped bacteria of the order Eubacteriales; Corynebacteriaceae
family Coryphaenidae
- large active pelagic percoid fish; Coryphaenidae
family Cotingidae
- cotingas; umbrella birds; Cotingidae
family Cottidae
- sculpins; Cottidae
family Cracidae
- curassows; guans; chachalacas; Cracidae
family Cracticidae
- Australian birds formerly included in the family Laniidae; Cracticidae
family Crangonidae
- shrimps; Crangonidae
family Crassulaceae
- succulent shrubs and herbs; Crassulaceae; stonecrop family
family Cricetidae
- mostly small New World rodents including New World mice and lemmings and voles and hamsters; Cricetidae
family Crocodylidae
- true crocodiles; Crocodylidae
family Crotalidae
- New World vipers: pit vipers; Crotalidae
family Cruciferae
- a large family of plants with four-petaled flowers; includes mustards, cabbages, broccoli, turnips, cresses, and their many relatives; Cruciferae; Brassicaceae; family Brassicaceae; mustard family
family Cryptobranchidae
- large aquatic salamanders: hellbenders; giant salamanders; Cryptobranchidae
family Cryptocercidae
- a family of Blattodea; Cryptocercidae
family Cryptogrammataceae
- one of a number of families into which the family Polypodiaceae has been subdivided in some classification systems; Cryptogrammataceae
family Ctenizidae
- large burrowing spiders; Ctenizidae
family Cuculidae
- includes cuckoo; ani; roadrunner; Cuculidae
family Cucurbitaceae
- a family of herbaceous vines (such as cucumber or melon or squash or pumpkin); Cucurbitaceae; gourd family
family Culicidae
- mosquitoes; Culicidae
family Cunoniaceae
- trees or shrubs or climbers; mostly southern hemisphere; Cunoniaceae; cunonia family
family Cupressaceae
- cypresses and junipers and many cedars; Cupressaceae; cypress family
family Curculionidae
- true weevils: snout beetles; Curculionidae
family Cuterebridae
- New World botflies; Cuterebridae
family Cyatheaceae
- tropical tree ferns; Cyatheaceae
family Cycadaceae
- ancient palmlike plants closely related to ferns in that fertilization is by means of spermatozoids; Cycadaceae; cycad family
family Cyclopteridae
- lumpfishes; Cyclopteridae
family Cymatiidae
- tritons; Cymatiidae
family Cynipidae
- a family of Hymenoptera; Cynipidae
family Cynocephalidae
- a family of Dermoptera; Cynocephalidae
family Cynoglossidae
- tonguefishes; Cynoglossidae
family Cyperaceae
- bulrush; chufa; cotton grass; papyrus; umbrella plant; Cyperaceae; sedge family
family Cypraeidae
- family of marine gastropods comprising the cowries; Cypraeidae
family Cyprinidae
- a family of fish including: carp; tench; roach; rudd; dace; Cyprinidae
family Cyprinodontidae
- large family of small soft-finned fishes; killifishes; flagfishes; swordtails; guppies; Cyprinodontidae
family Cyrilliaceae
- shrubs and trees with leathery leaves and small white flowers in racemes: genera Cyrilla and Cliftonia; Cyrilliaceae; cyrilla family; titi family
family Dacninae
- the honeycreepers; Coerebidae; family Coerebidae; Dacninae
family Dacrymycetaceae
- a family of basidiomycetous fungi belonging to the order Tremellales having a bifurcate basidium that lacks septa; Dacrymycetaceae
family Dactylopiidae
- cochineal insects; Dactylopiidae
family Dactylopteridae
- flying gurnards; Dactylopteridae
family Dactyloscopidae
- sand stargazers; Dactyloscopidae
family Danaidae
- small family of usually tropical butterflies: monarch butterflies; Danaidae
family Dasyatidae
- sting rays; Dasyatidae
family Dasypodidae
- armadillos; Dasypodidae
family Dasyproctidae
- agoutis and pacas; Dasyproctidae
family Dasyuridae
- dasyures; native cats; pouched mice; banded anteaters; Tasmanian devils; Dasyuridae; family Dasyurinae
family Dasyurinae
- dasyures; native cats; pouched mice; banded anteaters; Tasmanian devils; Dasyuridae; family Dasyuridae
family Daubentoniidae
- comprising solely the aye-aye; Daubentoniidae
family Davalliaceae
- one of a number of families into which Polypodiaceae has been subdivided in some classification systems; Davalliaceae
family Delphinidae
- dolphins; Delphinidae
family Dematiaceae
- family of imperfect mushrooms having dark-colored hyphae or conidia; Dematiaceae
family Dendrocolaptidae
- woodhewers or woodcreepers; Dendrocolaptidae
family Dennstaedtiaceae
- one of a number of families into which Polypodiaceae has been subdivided in some classification systems; Dennstaedtiaceae
family Dermestidae
- carpet beetles; Dermestidae
family Dermochelyidae
- sea turtles; Dermochelyidae
family Desmidiaceae
- unicellular algae; Desmidiaceae
family Desmodontidae
- true vampire bats; Desmodontidae
family Diapensiaceae
- north temperate low evergreen plants; in some classifications placed in its own order Diapensiales; Diapensiaceae; diapensia family
family Diaspididae
- armored scales; Diaspididae
family Dicamptodontidae
- large and small highly aquatic salamanders; Dicamptodontidae
family Dicksoniaceae
- tree ferns: genera Dicksonia, Cibotium, Culcita, and Thyrsopteris elegans; Dicksoniaceae
family Dicranaceae
- mosses having costate leaves and long-stalked capsules with cleft peristome; Dicranaceae
family Didelphidae
- opossums; Didelphidae
family Dilleniaceae
- chiefly tropical shrubs and trees and climbers having leathery leaves or flattened leaflike stems: genera Dillenia and Hibbertia; Dilleniaceae
family Dinornithidae
- moas; Dinornithidae
family Diodontidae
- spiny puffers; Diodontidae
family Diomedeidae
- albatrosses; Diomedeidae
family Dioscoreaceae
- yams; Dioscoreaceae; yam family
family Dipodidae
- Old World jerboas; Dipodidae
family Dipsacaceae
- chiefly southern European herbs with flowers usually in dense cymose heads; Dipsacaceae
family Dipterocarpaceae
- chiefly tropical Asian trees with two-winged fruits; yield valuable woods and aromatic oils and resins; Dipterocarpaceae
family Discoglossidae
- family of Old World toads having a fixed disklike tongue; Discoglossidae
family Doliolidae
- oceanic tunicates; Doliolidae
family Dracunculidae
- greatly elongated roundworm; Dracunculidae
family Drepanididae
- Hawaiian honeycreepers; Drepanididae
family Dromaeosauridae
- swift-running bipedal dinosaurs; Dromaeosauridae
family Droseraceae
- a family of carnivorous herbs and shrubs; Droseraceae; sundew family
family Drosophilidae
- fruit flies; Drosophilidae
family Dryopteridaceae
- alternative names for one of a number of families into which the family Polypodiaceae has been subdivided in some classification systems; Dryopteridaceae; Athyriaceae; family Athyriaceae
family Dugongidae
- a family of mammals of order Sirenia including dugongs and Steller's sea cow; Dugongidae
family Dytiscidae
- water beetles; Dytiscidae
family Ebenaceae
- fruit and timber trees of tropical and warm regions including ebony and persimmon; Ebenaceae; ebony family
family Echeneidae
- fishes having a sucking disk on the head for clinging to other fishes and to ships; Echeneididae; family Echeneididae
family Echeneididae
- fishes having a sucking disk on the head for clinging to other fishes and to ships; Echeneididae; family Echeneidae
family Edaphosauridae
- a family of reptiles of the order Pelycosauria; Edaphosauridae
family Eimeriidae
- a family of protoctist in the order Coccidia; Eimeriidae
family Elaeagnaceae
- shrubs or small trees often armed; Elaeagnaceae; oleaster family
family Elaeocarpaceae
- genus of trees and shrubs widely distributed in warm regions some yielding useful timber; in some classifications included in the family Santalaceae; Elaeocarpaceae; elaeocarpus family
family Elapidae
- cobras; kraits; mambas; coral snakes; Australian taipan and tiger snakes; Elapidae
family Elateridae
- click beetles and certain fireflies; Elateridae
family Electrophoridae
- small family comprising the electric eels; Electrophoridae
family Eleotridae
- sleepers; Eleotridae
family Elephantidae
- elephants; Elephantidae
family Elopidae
- tarpons and ladyfishes; Elopidae
family Embiotocidae
- viviparous percoid fishes comprising the surf fishes; Embiotocidae
family Empetraceae
- heathlike shrubs; Empetraceae; crowberry family
family Emydidae
- box and water turtles; Emydidae
family Endamoebidae
- a large family of endoparasitic amebas that invade the digestive tract; Endamoebidae
family Engraulidae
- anchovies; Engraulidae
family Enterobacteriaceae
- a large family of Gram-negative rod-shaped bacteria of the order Eubacteriales; Enterobacteriaceae
family Entolomataceae
- a family of fungi belonging to the order Agaricales; Entolomataceae
family Entomophthoraceae
- mostly parasitic lower fungi that typically develop in the bodies of insects; Entomophthoraceae
family Epacridaceae
- Australasian shrubs or small trees; Epacridaceae; epacris family
family Ephedraceae
- ephedras: in some classifications included in the Gnetaceae; Ephedraceae
family Ephemeridae
- mayflies; Ephemeridae
family Ephippidae
- small family comprising the spadefishes; Ephippidae
family Equidae
- horses; asses; zebras; extinct animals; Equidae
family Equisetaceae
- sole surviving family of the Equisetales: fern allies; Equisetaceae; horsetail family
family Erethizontidae
- New World arboreal porcupines; Erethizontidae
family Ericaceae
- heathers; Ericaceae; heath family
family Erinaceidae
- true hedgehogs; Erinaceidae
family Eriocaulaceae
- chiefly tropical aquatic or bog herbs: pipeworts; Eriocaulaceae; pipewort family
family Erysiphaceae
- family of fungi parasitic mostly on leaves; includes powdery mildews; Erysiphaceae
family Erythroxylaceae
- a family of plants of order Geraniales; have drupaceous fruit; Erythroxylaceae
family Eschrichtiidae
- comprising only the grey whales; Eschrichtiidae
family Esocidae
- pikes; pickerels; muskellunges; Esocidae
family Euglenaceae
- considered green algae; Euglenaceae
family Euphorbiaceae
- a family of plants of order Geraniales; Euphorbiaceae; spurge family
family Eurylaimidae
- coextensive with the suborder Eurylaimi; Eurylaimidae
family Exocoetidae
- flying fishes; closely related to the halfbeaks; Exocoetidae
family Fabaceae
- a large family of trees, shrubs, vines, and herbs bearing bean pods; divided for convenience into the subfamilies Caesalpiniaceae; Mimosaceae; Papilionaceae; Leguminosae; family Leguminosae; Fabaceae; legume family; pea family
family Fagaceae
- chiefly monoecious trees and shrubs: beeches; chestnuts; oaks; genera Castanea, Castanopsis, Chrysolepis, Fagus, Lithocarpus, Nothofagus, Quercus; Fagaceae; beech family
family Falconidae
- a family of birds of the order Falconiformes; Falconidae
family Fasciolidae
- a family of Trematoda; Fasciolidae
family Felidae
- cats; wildcats; lions; leopards; cheetahs; saber-toothed tigers; Felidae
family Filariidae
- threadlike roundworms; Filariidae
family Fissurellidae
- marine limpets; Fissurellidae
family Fistulariidae
- cornetfishes; Fistulariidae
family Fistulinaceae
- a family of fungi closely related to the family Polyporaceae except that the tubes on the undersurface of the cap are separate from each other; Fistulinaceae
family Flacourtiaceae
- chiefly tropical trees and shrubs; Flacourtiaceae; flacourtia family
family Forficulidae
- typical earwigs; Forficulidae
family Formicariidae
- antbirds; Formicariidae
family Formicidae
- ants; Formicidae
family Fouquieriaceae
- small family of spiny shrubs or trees of southwestern United States; Fouquieriaceae
family Fregatidae
- frigate birds; Fregatidae
family Fringillidae
- finches: goldfinches; bullfinches; chaffinches; siskins; canaries; cardinals; grosbeaks; crossbills; linnets; buntings; Fringillidae
family Fucaceae
- small family of brown algae: gulfweeds; rockweeds; Fucaceae
family Fulgoridae
- plant hoppers: lantern flies; Fulgoridae
family Fumariaceae
- erect or climbing herbs of the northern hemisphere and southern Africa: bleeding heart; Dutchman's breeches; fumitory; squirrel corn; Fumariaceae; fumitory family
family Funkaceae
- one of many families or subfamilies into which some classification systems subdivide the Liliaceae but not widely accepted; includes genus Hosta; Hostaceae; family Hostaceae; Funkaceae
family Furnariidae
- e.g. ovenbirds; Furnariidae
family Gadidae
- large family of important mostly marine food fishes; Gadidae
family Galbulidae
- jacamars; Galbulidae
family Gasterophilidae
- horse botflies; Gasterophilidae
family Gasterosteidae
- sticklebacks; Gasterosteidae
family Gavialidae
- gavials; Gavialidae
family Gavidae
- loon family; Gavidae
family Geastraceae
- a family of earthstar fungi belonging to the order Lycoperdales; Geastraceae
family Gekkonidae
- geckos; Gekkonidae
family Gelechiidae
- important economic pests; Gelechiidae
family Gempylidae
- snake mackerels; Gempylidae
family Gentianaceae
- chiefly herbaceous plants with showy flowers; some are cultivated as ornamentals; Gentianaceae; gentian family
family Geoglossaceae
- a family of fungi belonging to the order Helotiales; Geoglossaceae
family Geometridae
- measuring worms; Geometridae
family Geomyidae
- North American pocket gophers; Geomyidae
family Geophilidae
- small extremely elongate centipedes that live in earth; Geophilidae
family Geraniaceae
- chiefly herbaceous plants; Geraniaceae; geranium family
family Gerreidae
- mojarras; Gerreidae; Gerridae; family Gerridae
family Gerridae
- mojarras; Gerreidae; family Gerreidae; Gerridae
- an arthropod family that includes water striders; Gerrididae; family Gerrididae; Gerridae
family Gerrididae
- an arthropod family that includes water striders; Gerrididae; Gerridae; family Gerridae
family Gesneriaceae
- large family of tropical herbs or shrubs or lianas; in some classification systems placed in the order Scrophulariales; Gesneriaceae; gesneria family
family Gigartinaceae
- a family of protoctist; Gigartinaceae
family Ginkgoaceae
- constituting the order Ginkgoales; includes the genus Ginkgo and extinct forms; Ginkgoaceae; ginkgo family
family Giraffidae
- giraffes; Giraffidae
family Glareolidae
- Old World shorebirds: pratincoles and coursers; Glareolidae
family Gleicheniaceae
- a family of ferns belonging to order Filicales; Gleicheniaceae
family Gliridae
- dormice and other Old World forms; Gliridae
family Globigerinidae
- a family of protoctists; Globigerinidae
family Glossinidae
- flies closely related to the Muscidae: tsetse flies; Glossinidae
family Gnetaceae
- plants having small unisexual flowers and fleshy or winged fruit: in some classifications includes the genera Ephedra and Welwitschia as well as genus Gnetum; Gnetaceae
family Gobiesocidae
- clingfishes; Gobiesocidae
family Gobiidae
- gobies; Gobiidae
family Gomphotheriidae
- elephants extinct since the Pleistocene; Gomphotheriidae
family Gonorhynchidae
- coextensive with the genus Gonorhynchus; Gonorhynchidae
family Goodeniaceae
- a family of sappy plants that grow in Australasia and southeast China; Goodeniaceae; Goodenia family
family Gracilariidae
- leaf miners; Gracilariidae; Gracillariidae
family Graminaceae
- the grasses: chiefly herbaceous but some woody plants including cereals; bamboo; reeds; sugar cane; Gramineae; family Gramineae; Graminaceae; Poaceae; family Poaceae; grass family
family Gramineae
- the grasses: chiefly herbaceous but some woody plants including cereals; bamboo; reeds; sugar cane; Gramineae; Graminaceae; family Graminaceae; Poaceae; family Poaceae; grass family
family Grossulariaceae
- in some classifications considered a part of the family Saxifragaceae: plants whose fruit is a berry; Grossulariaceae; gooseberry family
family Gruidae
- cranes; Gruidae
family Gryllidae
- crickets; Gryllidae
family Guttiferae
- widely distributed family of chiefly tropical trees and shrubs and vines that produce oils and resins and some usable timber; Guttiferae; Clusiaceae; family Clusiaceae; St John's wort family
family Gyrinidae
- whirligig beetles; Gyrinidae
family Hadrosauridae
- duck-billed dinosaurs; upper Cretaceous; Hadrosauridae
family Haematopodidae
- oystercatchers; Haematopodidae
family Haemodoraceae
- some genera placed in family Liliaceae; Haemodoraceae; bloodwort family
family Haemoproteidae
- bird parasites; Haemoproteidae
family Haemulidae
- grunts; Haemulidae
family Halictidae
- a family of small solitary bees; many are valuable pollinators for agriculture; Halictidae
family Haliotidae
- abalones; Haliotidae
family Haloragaceae
- a family of dicotyledonous plants of the order Myrtales; Haloragidaceae; family Haloragidaceae; Haloragaceae; water-milfoil family
family Haloragidaceae
- a family of dicotyledonous plants of the order Myrtales; Haloragidaceae; Haloragaceae; family Haloragaceae; water-milfoil family
family Hamamelidaceae
- comprises genera Hamamelis, Corylopsis, Fothergilla, Liquidambar, Parrotia, and other small genera; Hamamelidaceae; witch-hazel family
family Helicidae
- land snails including the common edible snail and some pests; Helicidae
family Helodermatidae
- only known venomous lizards; Helodermatidae
family Helotiaceae
- a fungus family of order Helotiales; Helotiaceae
family Helvellaceae
- family of false morels or lorchels; some are edible and some are poisonous; Helvellaceae
family Hemerobiidae
- brown lacewings; Hemerobiidae
family Hemerocallidaceae
- one of many subfamilies into which some classification systems subdivide the Liliaceae but not widely accepted; includes genus Hemerocallis; Hemerocallidaceae
family Hemiprocnidae
- tree swifts; Hemiprocnidae
family Hemiramphidae
- halfbeaks; marine and freshwater fishes closely related to the flying fishes but not able to glide; Hemiramphidae
family Heteromyidae
- small New World burrowing mouselike rodents with fur-lined cheek pouches and hind limbs and tail adapted to leaping; adapted to desert conditions: pocket mice; kangaroo mice; kangaroo rats; Heteromyidae
family Hexagrammidae
- greenlings; Hexagrammidae
family Hexanchidae
- primitive sharks; Hexanchidae
family Hippoboscidae
- winged or wingless dipterans: louse flies; Hippoboscidae
family Hippocastanaceae
- trees having showy flowers and inedible nutlike seeds in a leathery capsule; Hippocastanaceae; horse-chestnut family
family Hippopotamidae
- hippopotami; Hippopotamidae
family Hipposideridae
- Old World leafnose bats; Hipposideridae
family Hirudinidae
- a family of Hirudinea; Hirudinidae
family Hirundinidae
- swallows and martins; Hirundinidae
family Holocentridae
- squirrelfishes and soldierfishes; Holocentridae
family Holothuridae
- a family of Holothuroidea; Holothuridae
family Homaridae
- large-clawed lobsters; Homaridae
family Hominidae
- modern man and extinct immediate ancestors of man; Hominidae
family Hostaceae
- one of many families or subfamilies into which some classification systems subdivide the Liliaceae but not widely accepted; includes genus Hosta; Hostaceae; Funkaceae; family Funkaceae
family Hyacinthaceae
- one of many families or subfamilies in which some classification systems subdivide the Liliaceae but not widely accepted; Hyacinthaceae
family Hyaenidae
- hyenas; Hyaenidae
family Hydnaceae
- tooth fungi; Hydnaceae
family Hydnoraceae
- a family of flowering plants in Africa and Argentina that are parasitic on the roots of other plants; Hydnoraceae
family Hydrangeaceae
- sometimes included in the family Saxifragaceae; Hydrangeaceae; hydrangea family
family Hydrobatidae
- storm petrels; Hydrobatidae
family Hydrocharidaceae
- simple nearly stemless freshwater aquatic plants; widely distributed; Hydrocharitaceae; family Hydrocharitaceae; Hydrocharidaceae; frogbit family; frog's-bit family
family Hydrocharitaceae
- simple nearly stemless freshwater aquatic plants; widely distributed; Hydrocharitaceae; Hydrocharidaceae; family Hydrocharidaceae; frogbit family; frog's-bit family
family Hydrochoeridae
- capybara; Hydrochoeridae
family Hydrophidae
- sea snakes; Hydrophidae
family Hydrophyllaceae
- perennial woodland herbs; Hydrophyllaceae; waterleaf family
family Hygrophoraceae
- a family of fungi belonging to the order Agaricales; the gills of these fungi have a clean waxy appearance; Hygrophoraceae
family Hylidae
- the amphibian family of tree frogs; Hylidae
family Hylobatidae
- used in some classifications for the lesser apes (gibbons and siamangs); sometimes considered a subfamily of Pongidae; Hylobatidae
family Hymenophyllaceae
- terrestrial (hygrophytic) or epiphytic ferns: filmy ferns; Hymenophyllaceae
family Hypericaceae
- used in some classification systems for plants usually included among the Guttiferae; Hypericaceae
family Hyperodontidae
- beaked whales; in some especially former classifications included in the family Physeteridae; Ziphiidae; family Ziphiidae; Hyperodontidae
family Hypocreaceae
- family of fungi having brightly colored fleshy or membranous ascocarps; sometimes placed in its own order Hypocreales; Hypocreaceae
family Hypodermatidae
- warble flies; Oestridae; family Oestridae; Hypodermatidae
family Hypoxidaceae
- in some classification systems included in the Amaryllidaceae; Hypoxidaceae
family Hystricidae
- Old World porcupines; Hystricidae
family Ibidiidae
- ibises; Threskiornithidae; family Threskiornithidae
family Ichneumonidae
- ichneumon flies; Ichneumonidae
family Ichthyosauridae
- later ichthyosaurs of the Jurassic and Cretaceous; widely distributed in both hemispheres; Ichthyosauridae
family Icteridae
- American orioles; American blackbirds; bobolinks; meadowlarks; Icteridae
family Iguania
- New World lizards; Iguanidae; family Iguanidae; Iguania
family Iguanidae
- New World lizards; Iguanidae; Iguania; family Iguania
family Iguanodontidae
- iguanodons; Iguanodontidae
family Indicatoridae
- honey guides; Indicatoridae
family Indriidae
- a family of Lemuroidea; Indriidae
family Ipidae
- large family of bark-boring or wood-boring short-beaked beetles; very destructive to forest and fruit trees; Scolytidae; family Scolytidae; Ipidae
family Irenidae
- a family of birds of the suborder Oscines; Irenidae
family Iridaceae
- large family of usually perennial geophytic herbs with rhizomes or corms or bulbs; Iridaceae; iris family
family Isoetaceae
- quillworts; coextensive with the genus Isoetes; Isoetaceae; quillwort family
family Istiophoridae
- sailfishes; spearfishes; marlins; Istiophoridae
family Isuridae
- in some classifications another name for the family Lamnidae; Isuridae
family Ixodidae
- hard ticks; Ixodidae
family Jassidae
- family of small leafhoppers coextensive with the Cicadellidae and not distinguished from it in some classifications; Jassidae
family Juglandaceae
- trees having usually edible nuts: butternuts; walnuts; hickories; pecans; Juglandaceae; walnut family
family Juncaceae
- tufted herbs resembling grasses: rushes; Juncaceae; rush family
family Juncaginaceae
- a family of monocotyledonous bog herbs of order Naiadales; Scheuchzeriaceae; family Scheuchzeriaceae; Juncaginaceae; arrow-grass family
family Jungermanniaceae
- comprising the leafy members of the order Jungermanniales; Jungermanniaceae
family Kalotermitidae
- primitive termites of warm regions; Kalotermitidae
family Kasuwonidae
- in some classifications considered a separate family comprising the oceanic bonitos; Katsuwonidae
family Kinosternidae
- mud turtles; musk turtles; Kinosternidae
family Kyphosidae
- sea chubs; Kyphosidae
family Labiatae
- a large family of aromatic herbs and shrubs having flowers resembling the lips of a mouth and four-lobed ovaries yielding four one-seeded nutlets and including mint; thyme; sage; rosemary; Labiatae; Lamiaceae; family Lamiaceae; mint family
family Labridae
- wrasses; Labridae
family Lacertidae
- Old World lizards; Lacertidae
family Lactobacillaceae
- lactic acid bacteria and important pathogens; bacteria that ferment carbohydrates chiefly into lactic acid; Lactobacillaceae; Lactobacteriaceae; family Lactobacteriaceae
family Lactobacteriaceae
- lactic acid bacteria and important pathogens; bacteria that ferment carbohydrates chiefly into lactic acid; Lactobacillaceae; family Lactobacillaceae; Lactobacteriaceae
family Lamiaceae
- a large family of aromatic herbs and shrubs having flowers resembling the lips of a mouth and four-lobed ovaries yielding four one-seeded nutlets and including mint; thyme; sage; rosemary; Labiatae; family Labiatae; Lamiaceae; mint family
family Laminariaceae
- large family of marine brown algae including many economically important large kelps chiefly of northern waters; Laminariaceae
family Lamnidae
- oceanic sharks; Lamnidae
family Lampridae
- opahs; Lampridae
family Lampyridae
- fireflies; Lampyridae
family Laniidae
- shrikes; Laniidae
family Lanthanotidae
- stout-bodied lizards; Lanthanotidae
family Lardizabalaceae
- thick-stemmed lianas and some shrubs; some have edible fruit; Lardizabalaceae; lardizabala family
family Laricariidae
- armored catfish; Laricariidae
family Laridae
- gull family: gulls and terns; Laridae
family Lasiocampidae
- tent caterpillars; eggars; lappet moths; Lasiocampidae
family Latimeridae
- extinct except for the coelacanth; Latimeridae
family Lauraceae
- a family of Lauraceae; Lauraceae; laurel family
family Lecanoraceae
- a fungus family of the division Lichenes; Lecanoraceae
family Lecythidaceae
- large tropical trees bearing large fruits with woody skins; Lecythidaceae
family Leguminosae
- a large family of trees, shrubs, vines, and herbs bearing bean pods; divided for convenience into the subfamilies Caesalpiniaceae; Mimosaceae; Papilionaceae; Leguminosae; Fabaceae; family Fabaceae; legume family; pea family
family Leiopelmatidae
- primitive New Zealand frogs; Leiopelmatidae; Liopelmidae; family Liopelmidae
family Leitneriaceae
- coextensive with the genus Leitneria; commonly isolated in a distinct order; Leitneriaceae; corkwood family
family Lemnaceae
- family of small free-floating thalloid plants; Lemnaceae; duckweed family
family Lemuridae
- typical lemurs; of Madagascar; Lemuridae
family Lennoaceae
- family of fleshy parasitic herbs lacking green foliage and having heads of small flowers; California and Mexico; Lennoaceae
family Lentibulariaceae
- carnivorous aquatic or bog plants: genera Utricularia, Pinguicula, and Genlisea; Lentibulariaceae; bladderwort family
family Lepadidae
- goose barnacles; Lepadidae
family Lepidobotryaceae
- family created in 1950 solely for the classification of a distinctive African tree repeatedly classified in other families; trees long believed to exist only in Africa; Lepidobotryaceae
family Lepidodendraceae
- fossil plants characterized by conspicuous spirally arranged leaf scars on the trunk; Lepidodendraceae
family Lepiotaceae
- a family of fungi having free gills and a cap that is cleanly separable from the stalk; Lepiotaceae
family Lepismatidae
- firebrats; Lepismatidae
family Lepisosteidae
- comprises the genus Lepisosteus; Lepisosteidae
family Leporidae
- hares and rabbits; Leporidae
family Leptodactylidae
- New World frogs; in some classifications essentially coextensive with the family Bufonidae; Leptodactylidae
family Leptotyphlopidae
- blind snakes; Leptotyphlopidae
family Liliaceae
- includes species sometimes divided among the following families: Alliaceae; Aloeaceae; Alstroemeriaceae; Aphyllanthaceae; Asparagaceae; Asphodelaceae; Colchicaceae; Convallariaceae; Hemerocallidaceae; Hostaceae; Hyacinthaceae; Melanthiaceae; Ruscaceae; Smilacaceae; Tecophilaeacea; Xanthorrhoeaceae; Liliaceae; lily family
family Limacidae
- slugs; Limacidae
family Limulidae
- horseshoe crabs; Limulidae
family Linaceae
- a widely distributed family of plants; Linaceae; flax family
family Liopelmidae
- primitive New Zealand frogs; Leiopelmatidae; family Leiopelmatidae; Liopelmidae
family Liparidae
- snailfishes; Liparididae; family Liparididae; Liparidae
family Liparididae
- snailfishes; Liparididae; Liparidae; family Liparidae
family Lithodidae
- deep-sea crabs of cold waters; Lithodidae
family Littorinidae
- periwinkles; Littorinidae
family Loasaceae
- family of bristly hairy sometimes climbing plants; America and Africa and southern Arabia; Loasaceae; loasa family
family Lobeliaceae
- not recognized in all classification systems; in some classifications lobeliaceous plants are included in family Campanulaceae; Lobeliaceae; lobelia family
family Lobotidae
- tripletails; Lobotidae
family Locustidae
- short-horned grasshoppers; true locusts; Acrididae; family Acrididae; Locustidae
family Loganiaceae
- a dicotyledonous family of plants of order Gentianales; Loganiaceae
family Lomariopsidaceae
- small family of usually scandent ferns; Lomariopsidaceae
family Lophiidae
- large-headed marine fishes comprising the anglers; Lophiidae
family Lophosoriaceae
- very small family of tree ferns; Lophosoriaceae
family Loranthaceae
- in some classification includes Viscaceae: parasitic or hemiparasitic shrublets or shrubs or small trees of tropical and temperate regions; attach to hosts by haustoria; Loranthaceae; mistletoe family
family Lorisidae
- slow-moving omnivorous nocturnal primates of tropical Asia; usually tailless; Lorisidae
family Loxomataceae
- very small family of New Zealand ferns; Loxomataceae
family Lucanidae
- stag beetles; Lucanidae
family Lutjanidae
- snappers; Lutjanidae
family Luvaridae
- louvars; Luvaridae
family Lycaenidae
- family of small usually brilliantly colored butterflies; males have short forelegs; Lycaenidae
family Lycoperdaceae
- a fungus family belonging to the order Lycoperdales; includes puffballs; Lycoperdaceae
family Lycopodiaceae
- a family of ferns belonging to the order Lycopodiales; Lycopodiaceae; clubmoss family
family Lycosidae
- wolf spiders; Lycosidae
family Lygaeidae
- lygaeid bugs; Lygaeidae
family Lymantriidae
- tussock moths; Lymantriidae
family Lythraceae
- herbs and shrubs and small trees with pink or purple flowers; Lythraceae; loosestrife family
family Machilidae
- jumping bristletails; Machilidae
family Macropodidae
- kangaroos; wallabies; Macropodidae
family Macrorhamphosidae
- bellows fishes; Macrorhamphosidae
family Macrouridae
- grenadiers; Macrouridae; Macruridae; family Macruridae
family Macruridae
- grenadiers; Macrouridae; family Macrouridae; Macruridae
family Magnoliaceae
- subclass Magnoliidae: genera Liriodendron, Magnolia, and Manglietia; Magnoliaceae; magnolia family
family Majidae
- spider crabs; Majidae
family Malacanthidae
- short-headed marine fishes; often brightly colored; Malacanthidae
family Malpighiaceae
- tropical shrubs or trees; Malpighiaceae
family Malvaceae
- herbs and shrubs and some trees: mallows; cotton; okra; Malvaceae; mallow family
family Mammutidae
- extinct family: mastodons; Mammutidae; family Mastodontidae
family Manidae
- coextensive with the order Pholidota; Manidae
family Manteidae
- mantises; Mantidae; family Mantidae; Manteidae
family Mantidae
- mantises; Mantidae; Manteidae; family Manteidae
family Mantispidae
- mantispids; Mantispidae
family Marantaceae
- tropical perennial herbs with usually starchy rhizomes; Marantaceae; arrowroot family
family Marattiaceae
- constituting the order Marattiales: chiefly tropical eusporangiate ferns with gigantic fronds; Marattiaceae
family Marchantiaceae
- liverworts with prostrate and usually dichotomously branched thalli; Marchantiaceae
family Marsileaceae
- clover ferns; Marsileaceae
family Martyniaceae
- in most classifications not considered a separate family but included in the Pedaliaceae; Martyniaceae
family Mastodontidae
- extinct family: mastodons; Mammutidae; family Mammutidae
family Mastotermitidae
- primitive termites; Mastotermitidae
family Mayacaceae
- a monocotyledonous family of bog plants of order Xyridales; Mayacaceae
family Megachilidae
- leaf-cutting and mason bees; Megachilidae
family Megadermatidae
- Old World false vampire bats; Megadermatidae
family Megalonychidae
- mammal family consisting of the two-toed sloths; Megalonychidae
family Megalosauridae
- megalosaurs; Megalosauridae
family Megapodiidae
- megapodes; Megapodiidae
family Megatheriidae
- extinct ground sloths; Megatheriidae
family Melampsoraceae
- rust fungi; Melampsoraceae
family Melanthiaceae
- one of many subfamilies into which some classification systems subdivide the Liliaceae but not widely accepted: includes Aletris; Narthecium; Veratrum; Melanthiaceae
family Melastomaceae
- a family of trees and bushes and herbs of order Myrtales; many are cultivated as ornamentals; Melastomataceae; family Melastomataceae; Melastomaceae; meadow-beauty family
family Melastomataceae
- a family of trees and bushes and herbs of order Myrtales; many are cultivated as ornamentals; Melastomataceae; Melastomaceae; family Melastomaceae; meadow-beauty family
family Meleagrididae
- turkeys and some extinct forms; Meleagrididae
family Meliaceae
- tropical trees and shrubs including many important timber and ornamental trees; Meliaceae; mahogany family
family Meliphagidae
- honey eaters; Meliphagidae
family Meloidae
- blister beetles; Meloidae
family Membracidae
- plant hoppers: treehoppers; Membracidae
family Menispermaceae
- herbaceous or woody climbers; Menispermaceae; moonseed family
family Menuridae
- lyrebirds; Menuridae
family Menyanthaceae
- a dicotyledonous family of marsh plants of order Gentianales; Menyanthaceae; buckbean family
family Meropidae
- bee-eaters; Meropidae
family Micrococcaceae
- spherical or elliptical usually aerobic eubacteria that produce yellow or orange or red pigment; includes toxin-producing forms as well as harmless commensals and saprophytes; Micrococcaceae
family Microdesmidae
- worm fish; Microdesmidae
family Microhylidae
- narrow-mouthed toads and sheep frogs; some burrow and some are arboreal; found worldwide; Microhylidae; Brevicipitidae; family Brevicipitidae
family Mimidae
- sometimes considered a subfamily of Troglodytidae: mockingbirds; catbirds; thrashers; Mimidae
family Mimosaceae
- family of spiny woody plants (usually shrubs or small trees) whose leaves mimic animals in sensitivity to touch; commonly included in the family Leguminosae; Mimosaceae
family Miridae
- leaf bugs; Miridae; Capsidae; family Capsidae
family Mniaceae
- family of erect mosses with club-shaped paraphyses and the hexagonal cells of the upper leaf surface; sometimes treated as a subfamily of Bryaceae; Mniaceae
family Mobulidae
- large rays lacking venomous spines: mantas; Mobulidae
family Molidae
- ocean sunfishes; Molidae
family Molossidae
- mastiff bats; freetail bats; Molossidae
family Momotidae
- a family of birds of the order Coraciiformes; Momotidae
family Moniliaceae
- family of imperfect fungi having white or brightly colored hyphae and spores that are produced directly on the mycelium and not aggregated in fruiting bodies; Moniliaceae
family Monocanthidae
- filefishes; Monocanthidae
family Monodontidae
- narwhals; Monodontidae
family Monotropaceae
- used in some classification for saprophytic herbs sometimes included in the family Pyrolaceae: genera Monotropa and Sarcodes; Monotropaceae
family Moraceae
- trees or shrubs having a milky juice; in some classifications includes genus Cannabis; Moraceae; mulberry family
family Morchellaceae
- a family of edible fungi including the true morels; Morchellaceae
family Motacillidae
- pipits and wagtails; Motacillidae
family Mucoraceae
- large family of chiefly saprophytic fungi that includes many common molds destructive to food products; Mucoraceae
family Mugilidae
- grey mullets; Mugilidae
family Mullidae
- goatfishes or red mullets; Mullidae
family Muraenidae
- marine eels; Muraenidae
family Muridae
- originally Old World rats now distributed worldwide; distinguished from the Cricetidae by typically lacking cheek pouches; Muridae
family Musaceae
- treelike tropical Asian herbs; Musaceae; banana family
family Muscicapidae
- Old World (true) flycatchers; Muscicapidae
family Muscidae
- two-winged flies especially the housefly; Muscidae
family Musophagidae
- touracos; Musophagidae
family Mustelidae
- weasels; polecats; ferrets; minks; fishers; otters; badgers; skunks; wolverines; martens; Mustelidae
family Mutillidae
- a family of wasps; Mutillidae
family Myacidae
- soft-shell clams; Myacidae
family Mycetophylidae
- fungus gnats; Mycetophilidae
family Mycobacteriaceae
- a family of bacteria; Mycobacteriaceae
family Mycoplasmataceae
- pleomorphic Gram-negative nonmotile microorganism similar to both viruses and bacteria; parasitic in mammals; Mycoplasmataceae
family Myctophidae
- deep-sea fishes comprising the lantern fishes; Myctophidae
family Myliobatidae
- eagle rays; Myliobatidae
family Mylodontidae
- extinct South American edentates; Mylodontidae
family Myricaceae
- constituting the order Myricales; Myricaceae; wax-myrtle family
family Myristicaceae
- family of aromatic tropical trees with arillate seeds; Myristicaceae; nutmeg family
family Myrmecophagidae
- New World anteaters; Myrmecophagidae
family Myrmeleontidae
- antlions; Myrmeleontidae
family Myrsinaceae
- family of Old World tropical trees and shrubs; some in Florida; Myrsinaceae; myrsine family
family Myrtaceae
- trees and shrubs yielding a fragrant oil; Myrtaceae; myrtle family
family Mysidae
- small shrimp-like crustaceans; Mysidae
family Mytilidae
- marine mussels; Mytilidae
family Myxinidae
- slime-producing marine animals: hagfishes; Myxinidae
family Myxobacteriaceae
- bacteria living mostly in soils and on dung; Polyangiaceae; family Polyangiaceae; Myxobacteriaceae
family Myxophyceae
- former terms for Cyanophyceae; Myxophyceae; Schizophyceae; family Schizophyceae
family Naiadaceae
- monotypic family of aquatic plants having narrow leaves and small flowers; Naiadaceae; Najadaceae; family Najadaceae; naiad family
family Najadaceae
- monotypic family of aquatic plants having narrow leaves and small flowers; Naiadaceae; family Naiadaceae; Najadaceae; naiad family
family Naticidae
- moonshells; Naticidae
family Nautilidae
- spiral-shelled cephalopods; Nautilidae
family Nepenthaceae
- coextensive with the genus Nepenthes; Nepenthaceae
family Nephropsidae
- in some classifications coextensive with the Homaridae; Nephropsidae
family Nepidae
- water scorpions; Nepidae
family Neritidae
- neritids; Neritidae
family Nidulariaceae
- bird's-nest fungi; Nidulariaceae
family Nitrobacteriaceae
- usually rod-shaped bacteria that oxidize ammonia or nitrites: nitrobacteria; Nitrobacteriaceae
family Noctuidae
- cutworms; armyworms; Noctuidae
family Nostocaceae
- blue-green algae; Nostocaceae
family Notonectidae
- aquatic carnivorous insects; Notonectidae
family Notoryctidae
- pouched moles; Notoryctidae
family Nummulitidae
- a family of fossil protoctists; Nummulitidae
family Nyctaginaceae
- a family of flowering plants of the order Caryophyllales; Nyctaginaceae; Allioniaceae; family Allioniaceae; four-o'clock family
family Nymphaeaceae
- dicot aquatic plants; Nymphaeaceae; water-lily family
family Nymphalidae
- large beautifully colored butterflies; Nymphalidae
family Nyssaceae
- a family of dicotyledonous trees of order Myrtales that includes the sour gum trees; Nyssaceae; sour-gum family; tupelo family
family Ochnaceae
- family of tropical evergreen trees and shrubs with thick shining parallel-veined leaves; Ochnaceae; ochna family
family Ochotonidae
- pikas and extinct forms; Ochotonidae
family Octopodidae
- a family of Octopoda; Octopodidae
family Odobenidae
- walruses and extinct forms; Odobenidae
family Odontaspididae
- sand sharks; in some classifications coextensive with family Carcharhinidae; Carchariidae; family Carchariidae; Odontaspididae
family Oedogoniaceae
- filamentous green algae; Oedogoniaceae
family Oestridae
- warble flies; Oestridae; Hypodermatidae; family Hypodermatidae
family Ogcocephalidae
- batfishes: sluggish bottom-dwelling spiny fishes; Ogcocephalidae
family Oleaceae
- trees and shrubs having berries or drupes or capsules as fruits; sometimes placed in the order Oleales: olive; ash; jasmine; privet; lilac; Oleaceae; olive family
family Oleandraceae
- one of a number of families into which Polypodiaceae has been subdivided in some classification systems; Oleandraceae
family Onagraceae
- a large and widely distributed family of plants of the order Myrtales; Onagraceae; evening-primrose family
family Oniscidae
- a family of Isopoda; Oniscidae
family Ophidiidae
- eellike marine fishes; Ophidiidae
family Ophiodontidae
- fishes closely related to greenlings; Ophiodontidae
family Ophioglossaceae
- a family of succulent ferns of order Ophioglossales; cosmopolitan in distribution; Ophioglossaceae
family Opisthocomidae
- comprising the hoatzins; Opisthocomidae
family Opisthognathidae
- jawfishes; Opisthognathidae
family Orchestiidae
- beach fleas; Orchestiidae
family Orchidaceae
- enormous cosmopolitan family of perennial terrestrial or epiphytic plants with fleshy tubers or rootstocks and unusual flowers; Orchidaceae; orchid family
family Orectolobidae
- nurse sharks and carpet sharks; Orectolobidae
family Oriolidae
- Old World orioles; Oriolidae
family Ornithorhynchidae
- platypus; Ornithorhynchidae
family Orobanchaceae
- brown or yellow leafless herbs; sometimes placed in the order Scrophulariales; Orobanchaceae; broomrape family
family Orycteropodidae
- aardvarks; Orycteropodidae
family Oscillatoriaceae
- blue green algae; Oscillatoriaceae
family Osmeridae
- smelts; Osmeridae
family Osmundaceae
- large family of ferns widely distributed in temperate and tropical areas; Osmundaceae
family Osteoglossidae
- a family of large fishes that live in freshwater; includes bandfish and bonytongues; Osteoglossidae
family Ostraciidae
- boxfishes; Ostraciidae; family Ostraciontidae
family Ostraciontidae
- boxfishes; Ostraciidae; family Ostraciidae
family Ostreidae
- oysters; Ostreidae
family Otariidae
- eared seals: sea lions and fur seals; Otariidae
family Otididae
- bustards; Otididae
family Oxalidaceae
- a family of widely distributed herbs of the order Geraniales; have compound leaves and pentamerous flowers; Oxalidaceae; wood-sorrel family
family Oxyuridae
- pinworms; Oxyuridae
family Paeoniaceae
- perennial rhizomatous herbs and shrubs; of temperate Europe and North America; Paeoniaceae; peony family
family Paguridae
- hermit crabs; Paguridae
family Palaemonidae
- prawns; Palaemonidae
family Palinuridae
- spiny lobsters; Palinuridae
family Palmaceae
- chiefly tropical trees and shrubs and vines usually having a tall columnar trunk bearing a crown of very large leaves; coextensive with the order Palmales; Palmae; family Palmae; Palmaceae; Arecaceae; family Arecaceae; palm family
family Palmae
- chiefly tropical trees and shrubs and vines usually having a tall columnar trunk bearing a crown of very large leaves; coextensive with the order Palmales; Palmae; Palmaceae; family Palmaceae; Arecaceae; family Arecaceae; palm family
family Pandanaceae
- family of woody plants of the order Pandanales including pandanus; Pandanaceae; screw-pine family
family Pandionidae
- ospreys; Pandionidae
family Panorpidae
- a family of insects of the order Mecoptera; Panorpidae
family Papaveraceae
- herbs or shrubs having milky and often colored juices and capsular fruits; Papaveraceae; poppy family
family Papilionacea
- leguminous plants whose flowers have butterfly-shaped corollas; commonly included in the family Leguminosae; Papilionaceae
family Paradisaeidae
- birds of paradise; Paradisaeidae
family Paridae
- titmice and chickadees; Paridae
family Parkeriaceae
- coextensive with the genus Ceratopteris; sometimes included in family Polypodiaceae; Parkeriaceae
family Parmeliaceae
- a family of lichens; Parmeliaceae
family Parulidae
- New World warblers; Parulidae
family Passeridae
- true sparrows: Old world birds formerly considered weaverbirds; Passeridae
family Passifloraceae
- tropical woody tendril-climbing vines; Passifloraceae; passionflower family
family Patellidae
- marine limpets; Patellidae
family Pectinidae
- scallops; Pectinidae
family Pedaliaceae
- the family of plants of order Polemoniales; Pedaliaceae; sesame family
family Pediculidae
- true lice: human lice and related forms; Pediculidae
family Pelecanidae
- pelicans; Pelecanidae
family Pelecanoididae
- diving petrels; Pelecanoididae
family Pelobatidae
- the amphibian family of spadefoot toads; Pelobatidae
family Pempheridae
- sweepers; Pempheridae
family Peneidae
- tropical prawns; Peneidae
family Pennatulidae
- sea pens; Pennatulidae
family Peramelidae
- bandicoots; Peramelidae
family Percidae
- active freshwater fishes; true perches and pike perches; Percidae
family Percophidae
- percoid flatheads; Percophidae
family Peridiniidae
- marine and freshwater dinoflagellates; Peridiniidae
family Peripatidae
- a family of Onychophora; Peripatidae
family Peripatopsidae
- a family of Onychophora; Peripatopsidae
family Peronosporaceae
- parasitic fungi: downy mildews; Peronosporaceae
family Pertusariaceae
- a fungus family of division Lichenes; Pertusariaceae
family Petromyzontidae
- lampreys; Petromyzontidae
family Pezizaceae
- large family comprising many typical cup fungi; Pezizaceae
family Phaethontidae
- tropicbirds; Phaethontidae
family Phalacrocoracidae
- cormorants; Phalacrocoracidae
family Phalangeridae
- phalangers; koalas; Phalangeridae
family Phalangiidae
- a family of Phalangida; Phalangiidae
family Phalaropidae
- phalaropes; Phalaropidae
family Phallaceae
- a family of fungi belonging to the order Phallales and comprising the true stinkhorns; Phallaceae
family Phasianidae
- pheasants; quails; partridges; Phasianidae
family Phasmatidae
- stick insects; Phasmidae; family Phasmidae; Phasmatidae
family Phasmidae
- stick insects; Phasmidae; Phasmatidae; family Phasmatidae
family Phillidae
- leaf insects; Phyllidae; family Phyllidae; Phillidae
family Phocidae
- earless seals; Phocidae
family Phoenicopteridae
- flamingos; Phoenicopteridae
family Phoeniculidae
- wood hoopoes; Phoeniculidae
family Pholadidae
- a family of Bivalvia; Pholadidae
family Pholidae
- a family of fish of suborder Blennioidea; Pholidae; family Pholididae
family Pholididae
- a family of fish of suborder Blennioidea; Pholidae; family Pholidae
family Phthiriidae
- crab lice; Phthiriidae
family Phyllidae
- leaf insects; Phyllidae; Phillidae; family Phillidae
family Phyllocladaceae
- a family of Phyllocladaceae; Phyllocladaceae
family Phyllostomatidae
- New World leaf-nosed bats; Phyllostomidae; family Phyllostomidae; Phyllostomatidae
family Phyllostomidae
- New World leaf-nosed bats; Phyllostomidae; Phyllostomatidae; family Phyllostomatidae
family Phylloxeridae
- plant lice; Phylloxeridae
family Physeteridae
- sperm whales; Physeteridae
family Physidae
- freshwater snails; Physidae
family Phytolaccaceae
- chiefly tropical herbaceous plants (including shrubs and trees) with racemose flowers: genera Phytolacca, Agdestis, Ercilla, Rivina, Trichostigma; Phytolaccaceae; pokeweed family
family Picidae
- woodpeckers; Picidae
family Pieridae
- arthropod family including cabbage butterflies; sulphur butterflies; Pieridae
family Pinaceae
- a family of Pinaceae; Pinaceae; pine family
family Pinnotheridae
- tiny soft-bodied crabs; Pinnotheridae
family Piperaceae
- tropical woody vines and herbaceous plants having aromatic herbage and minute flowers in spikelets; Piperaceae; pepper family
family Pipidae
- tongueless frogs; Pipidae
family Pipridae
- manakins; Pipridae
family Pittidae
- pittas; Pittidae
family Plantaginaceae
- cosmopolitan family of small herbs and a few shrubs; most are troublesome weeds; Plantaginaceae; plantain family
family Plasmodiidae
- malaria parasites; Plasmodiidae
family Plasmodiophoraceae
- family of fungi often causing hypertrophy in seed plants; Plasmodiophoraceae
family Plataleidae
- spoonbills; Plataleidae
family Platanaceae
- coextensive with the genus Platanus: plane trees; Platanaceae; plane-tree family
family Platanistidae
- river dolphins; Platanistidae
family Platycephalidae
- scorpaenoid flatheads; Platycephalidae
family Plethodontidae
- small mostly terrestrial New World salamanders having neither lungs nor gills as adults; Plethodontidae
family Pleurobrachiidae
- sea gooseberries; Pleurobrachiidae
family Pleuronectidae
- righteye flounders; Pleuronectidae
family Ploceidae
- weaverbirds; Ploceidae
family Plumbaginaceae
- perennial herbs and shrubs and lianas; cosmopolitan especially in saltwater areas; Plumbaginaceae; leadwort family; sea-lavender family
family Pluteaceae
- a family of fungi belonging to the order Agaricales; Pluteaceae
family Poaceae
- the grasses: chiefly herbaceous but some woody plants including cereals; bamboo; reeds; sugar cane; Gramineae; family Gramineae; Graminaceae; family Graminaceae; Poaceae; grass family
family Podargidae
- frogmouths; Podargidae
family Podicipedidae
- coextensive with the order Podicipitiformes; Podicipedidae
family Podocarpaceae
- gymnosperms with simple persistent needlelike or scalelike leaves; Podocarpaceae; podocarpus family
family Poeciliidae
- topminnows; Poeciliidae
family Polemoniaceae
- a widely distributed family of chiefly herbaceous plants of the order Polemoniales; often have showy flowers; Polemoniaceae; phlox family
family Polyangiaceae
- bacteria living mostly in soils and on dung; Polyangiaceae; Myxobacteriaceae; family Myxobacteriaceae
family Polygalaceae
- trees, shrubs, and herbs widely distributed throughout both hemispheres; Polygalaceae; milkwort family
family Polygonaceae
- a family of plants of order Polygonales chiefly of the north temperate zone; includes the buckwheats; Polygonaceae; buckwheat family
family Polynemidae
- threadfins; Polynemidae
family Polyodontidae
- paddlefishes; Polyodontidae
family Polypedatidae
- Old World tree frogs; Polypedatidae
family Polypodiaceae
- ferns: a large family that in some classification systems has been subdivided into several families (including Aspleniaceae and Blechnaceae and Davalliaceae and Dennstaedtiaceae and Dryopteridaceae and Oleandraceae and Pteridaceae); Polypodiaceae
family Polyporaceae
- fungi that become corky or woody with age, often forming shelflike growths on trees; Polyporaceae
family Pomacentridae
- damselfishes; Pomacentridae
family Pomatomidae
- food and game fishes related to pompanos; Pomatomidae
family Pongidae
- usually considered as comprising orangutans; gorillas; chimpanzees; and sometimes gibbons; Pongidae
family Pontederiaceae
- aquatic or bog plants; Pontederiaceae; pickerelweed family
family Porcellionidae
- sow bugs; Porcellionidae
family Portulacaceae
- family of usually succulent herbs; cosmopolitan in distribution especially in Americas; Portulacaceae; purslane family
family Portunidae
- swimming crabs; Portunidae
family Potamogalidae
- otter shrews; Potamogalidae
family Potamogetonaceae
- plants that grow in ponds and slow streams; sometimes includes family Zosteraceae; Potamogetonaceae; pondweed family
family Priacanthidae
- small carnivorous percoid fishes found worldwide in tropical seas; Priacanthidae
family Primulaceae
- a dicotyledonous family of the order Primulales with a regular flower; widely distributed in the northern hemisphere; Primulaceae; primrose family
family Pristidae
- large primitive rays with elongated snouts; Pristidae
family Procaviidae
- includes all recent members of the order Hyracoidea; Procaviidae
family Procellariidae
- petrels; fulmars; shearwaters; Procellariidae
family Procyonidae
- raccoons; coatis; cacomistles; kinkajous; and sometimes pandas; Procyonidae
family Proteaceae
- large family of Australian and South African shrubs and trees with leathery leaves and clustered mostly tetramerous flowers; constitutes the order Proteales; Proteaceae; protea family
family Proteidae
- mud puppies; Proteidae
family Prunellidae
- hedge sparrow; Prunellidae
family Pseudococcidae
- scalelike insects: mealybugs; Pseudococcidae
family Pseudomonodaceae
- rod-shaped Gram-negative bacteria; include important plant and animal pathogens; Pseudomonodaceae
family Psilophytaceae
- Paleozoic plants; Psilophytaceae
family Psilotaceae
- small family of lower ferns having nearly naked stems and minute scalelike leaves; Psilotaceae
family Psittacidae
- coextensive with the order Psittaciformes; Psittacidae
family Psocidae
- a family of small soft-bodied insects that feed on decaying vegetation; related to booklice; Psocidae
family Psophiidae
- trumpeters; Psophiidae
family Psychodidae
- very small two-winged flies with hairy wings that develop in moss and damp vegetable matter: sand flies; Psychodidae
family Psyllidae
- jumping plant lice; Psyllidae; Chermidae; family Chermidae
family Pteridaceae
- one of a number of families into which the family Polypodiaceae has been subdivided in some classification systems; Pteridaceae is itself in turn sometimes further subdivided; Pteridaceae
family Pteriidae
- pearl oysters; Pteriidae
family Pteroclididae
- sandgrouses; Pteroclididae
family Pterodactylidae
- a reptile family in the order Pterosauria; Pterodactylidae
family Ptilonorhynchidae
- bowerbirds; Ptilonorhynchidae
family Pucciniaceae
- large important family of rust fungi; Pucciniaceae
family Pulicidae
- many common fleas attacking humans and domestic animals; Pulicidae
family Punicaceae
- one species: pomegranates; Punicaceae
family Pygopodidae
- Australian and Tasmanian lizards; Pygopodidae
family Pyralidae
- bee moths; corn borers; flour moths; Pyralidae; Pyralididae; family Pyralididae
family Pyralididae
- bee moths; corn borers; flour moths; Pyralidae; family Pyralidae; Pyralididae
family Pyrolaceae
- evergreen herbs of temperate regions: genera Pyrola, Chimaphila, Moneses, Orthilia; Pyrolaceae; wintergreen family
family Pyrrhocoridae
- firebugs; Pyrrhocoridae
family Pythiaceae
- fungi having sporangia usually borne successively and singly at the tips of branching sporangiophores; Pythiaceae
family Pythonidae
- in some classifications a family separate from Boidae comprising Old World boas; Pythonidae
family Rachycentridae
- family of pelagic fishes containing solely the cobia; Rachycentridae
family Rafflesiaceae
- a family of parasitic plants of the order Aristolochiales; Rafflesiaceae
family Rajidae
- bottom-dwelling tropical rays: skates; Rajidae
family Rallidae
- rails; crakes; gallinules; coots; Rallidae
family Ramphastidae
- toucans; Ramphastidae
family Ranidae
- a family nearly cosmopolitan in distribution: true frogs; Ranidae
family Ranunculaceae
- a family of Ranunculaceae; Ranunculaceae; buttercup family; crowfoot family
family Rapateaceae
- South American herbs somewhat resembling members of the Juncaceae; Rapateaceae
family Raphidae
- extinct dodos and solitaires; Raphidae
family Raphidiidae
- a family of arthropods of the suborder Megaloptera, including snakeflies; Raphidiidae
family Recurvirostridae
- long-legged shorebirds; Recurvirostridae
family Reduviidae
- assassin bugs; Reduviidae
family Regalecidae
- ribbonfishes; Regalecidae
family Resedaceae
- mainly Mediterranean herbs: mignonette; Resedaceae; mignonette family
family Rhamnaceae
- trees and shrubs usually thorny bearing drupaceous fruit many having medicinal value; Rhamnaceae; buckthorn family
family Rheidae
- a family of birds coextensive with the order Rheiformes; Rheidae
family Rhincodontidae
- small-toothed sharks comprising only one species; Rhincodontidae
family Rhinobatidae
- primitive rays with guitar-shaped bodies; Rhinobatidae
family Rhinocerotidae
- rhinoceroses; Rhinocerotidae; rhinoceros family
family Rhinolophidae
- Old World leaf-nosed bats; Rhinolophidae
family Rhinotermitidae
- large widely distributed family of termites of temperate to tropical regions; Rhinotermitidae
family Rhiptoglossa
- Old World chameleons; in some classifications they are considered a superfamily of Sauria; Chamaeleontidae; family Chamaeleontidae; Chamaeleonidae; family Chamaeleonidae; Rhiptoglossa
family Rhizobiaceae
- a small family of rod-shaped bacteria; Rhizobiaceae
family Rhizophoraceae
- trees and shrubs that usually form dense jungles along tropical seacoasts; Rhizophoraceae; mangrove family
family Rhizopogonaceae
- a family of fungi of order Hymenogastrales having round subterranean sporophores; Rhizopogonaceae
family Rhodymeniaceae
- a family of protoctist; Rhodymeniaceae
family Rhyniaceae
- primitive plants of the Paleozoic; Rhyniaceae
family Rickettsiaceae
- microorganism resembling bacteria inhabiting arthropod tissues but capable of causing disease in vertebrates; Rickettsiaceae
family Roccellaceae
- a fungus family of division Lichenes; Roccellaceae
family Roridulaceae
- in some classifications included in the family Droseraceae; Roridulaceae
family Rosaceae
- a large family of dicotyledonous plants of order Rosales; have alternate leaves and five-petaled flowers with numerous stamens; Rosaceae; rose family
family Rubiaceae
- widely distributed family of mostly tropical trees and shrubs and herbs; includes coffee and chinchona and gardenia and madder and bedstraws and partridgeberry; Rubiaceae; madder family
family Ruscaceae
- one of many subfamilies into which some classification systems subdivide the Liliaceae but not widely accepted; Ruscaceae
family Russulaceae
- used in some classification systems for the genus Russula; Russulaceae
family Rutaceae
- a family of dicotyledonous plants of order Geraniales; have flowers that are divide into four or five parts and usually have a strong scent; Rutaceae; rue family
family Rynchopidae
- coextensive with the genus Rynchops: skimmers; Rynchopidae
family Saccharomycetaceae
- family of fungi comprising the typical yeasts: reproduce by budding and ferment carbohydrates; Saccharomycetaceae
family Sagittariidae
- secretary birds; Sagittariidae
family Salamandridae
- salamanders; Salamandridae
family Salicaceae
- two genera of trees or shrubs having hairy catkins: Salix; Populus; Salicaceae; willow family
family Salmonidae
- salmon and trout; Salmonidae
family Salpidae
- a small family of tunicates in the class Thaliacea; Salpidae
family Salvadoraceae
- a family of Old World shrubs and trees of order Gentianales; related to Oleaceae but having four stamens and four petals; Salvadoraceae; Salvadora family
family Salviniaceae
- water ferns; Salviniaceae
family Santalaceae
- chiefly tropical herbs or shrubs or trees bearing nuts or one-seeded fruit; Santalaceae; sandalwood family
family Sapindaceae
- chiefly tropical New and Old World deciduous and evergreen trees and shrubs bearing leathery drupes with yellow translucent flesh; most plants produce toxic saponins; Sapindaceae; soapberry family
family Sapotaceae
- tropical trees or shrubs with milky juice and often edible fleshy fruit; Sapotaceae; sapodilla family
family Sarcoptidae
- small whitish mites; Sarcoptidae
family Sarcoscyphaceae
- family of fungi belonging to the order Pezizales; Sarcoscyphaceae
family Sarraceniaceae
- insectivorous plants; Sarraceniaceae; pitcher-plant family
family Saturniidae
- important and widely distributed family of moths including some of the largest insects known; Saturniidae
family Satyridae
- a widely distributed family of butterflies common near the edges of woods; Satyridae
family Saururaceae
- family of perennial aromatic herbs: genera Saururus, Anemopsis, Houttuynia; Saururaceae; lizard's-tail family
family Saxifragaceae
- a large and diverse family of evergreen or deciduous herbs; widely distributed in northern temperate and cold regions; sometimes includes genera of the family Hydrangeaceae; Saxifragaceae; saxifrage family
family Scarabaeidae
- scarab or dung beetles; Scarabaeidae
family Scaridae
- parrotfishes; Scaridae
family Scheuchzeriaceae
- a family of monocotyledonous bog herbs of order Naiadales; Scheuchzeriaceae; Juncaginaceae; family Juncaginaceae; arrow-grass family
family Schistosomatidae
- a family of Trematoda; Schistosomatidae
family Schizaeaceae
- small family of mainly tropical ferns; Schizaeaceae
family Schizophyceae
- former terms for Cyanophyceae; Myxophyceae; family Myxophyceae; Schizophyceae
family Schizosaccharomycetaceae
- a family of fungi belonging to order Endomycetales; Schizosaccharomycetaceae
family Sciadopityaceae
- family comprising a single genus that until recently was considered part of Taxodiaceae; Sciadopityaceae
family Sciaenidae
- warm-water marine fishes including the drums and grunts and croakers and sea trout; Sciaenidae
family Sciaridae
- fungus gnats; Sciaridae
family Scincidae
- skinks; Scincidae
family Sciuridae
- a mammal family of true squirrels including: ground squirrels; marmots; chipmunks; flying squirrels; spermophiles; Sciuridae
family Sclerodermataceae
- a family of fungi or order Sclerodermatales with a single-layered peridium; includes earthballs; Sclerodermataceae
family Sclerotiniaceae
- a fungus family of order Helotiales; Sclerotiniaceae
family Scolopacidae
- sandpiper family