The page lists all of the families in the clade Tetrapoda, organized by taxonomic ranks. This list does not include families that are extinct.
Amphibia
Order Anura (frogs)
Suborder Archaeobatrachia
Family Ascaphidae (tailed frogs) Family Bombinatoridae (fire-belly toads) Family Discoglossidae (painted frogs) Family Leiopelmatidae (New Zealand primitive frogs) Suborder Mesobatrachia Family Megophryidae (litter frogs) Family Pelobatidae (European spadefoot toads) Family Pelodytidae (parsley frogs) Family Pipidae (tongueless frogs) Family Rhinophrynidae (Mexican burrowing toad) Family Scaphiopodidae (American spadefoot toads) Suborder Neobatrachia Family Allophrynidae (Tukeit Hill frog) Family Amphignathodontidae (marsupial frogs) Family Arthroleptidae (screeching frogs) Family Brachycephalidae (saddleback toads) Family Bufonidae (true toads) Family Centrolenidae (glass frogs) Family Dendrobatidae (poison dart frogs) Family Heleophrynidae (ghost frogs) Family Hemisotidae (shovelnose frogs) Family Hylidae (tree frogs) Family Hyperoliidae (sedge or bush frogs) Family Leptodactylidae (Southern frogs) Family Mantellidae (a diverse family of frogs) Family Microhylidae (narrow mouthed frogs) Family Myobatrachidae (Australian ground frogs) Family Ranidae (true frogs) Family Rhacophoridae (moss frogs) Family Rhinodermatidae (Darwin's frog) Family Sooglossidae (Seychelles frogs)
Order Apoda (caecilians)
Family Caeciliidae (common caecilians) Family Chikilidae (Indian caecilians) Family Dermophiidae Family Herpelidae Family Ichthyophiidae (Asian tailed caecilians) Family Indotyphlidae Family Rhinatrematidae (Neotropical tailed caecilians) Family Scolecomorphidae (African tropical caecilians) Family Siphonopidae Family Typhlonectidae (aquatic caecilians)
Order Urodela (salamanders)
Suborder Cryptobranchoidea
Family Cryptobranchidae (giant salamanders) Family Hynobiidae (Asiatic salamanders)
Suborder Salamandroidea
Family Ambystomatidae (mole salamanders) Family Amphiumidae (amphiumas or congo eels) Family Dicamptodontidae (Pacific giant salamanders) Family Plethodontidae (lungless salamanders) Family Proteidae (mudpuppies and waterdogs) Family Rhyacotritonidae (torrent salamanders) Family Salamandridae (true salamanders and newts)
Suborder Sirenoidea
Family Sirenidae (sirens)
Aves
Superorder Galloanserae
Order Galliformes (gamebirds, or landfowl)
Family Cracidae (chachalacas or guans) Family Megapodiidae (megapodes) Family Numididae (guineafowls) Family Odontophoridae (New World quails) Family Phasianidae (pheasants, chickens, Old World quails, and more)
Order Anseriformes (waterfowl)
Family Anatidae (duck, geese, swans, and more) Family Anhimidae (screamers) Family Anseranatidae (magpie-goose)
Superorder Neoaves
Order Phoenicopteriformes (flamingos and extinct relatives)
Family Phoenicopteridae (flamingos)
Order Podicipediformes (grebes)
Family Podicipedidae
Order Columbiformes (pigeons and doves)
Family Columbidae
Order Mesitornithiformes (mesites)
Family Mesitornithidae
Order Pterocliformes (sandgrouses)
Family Pteroclidae
Order Apodiformes (swifts and hummingbirds)
Family Apodidae (swifts) Family Hemiprocnidae (treeswifts) Family Trochilidae (hummingbirds)
Order Caprimulgiformes (frogmouths, nightjars, and more)
Family Aegothelidae (owlet-nightjar) Family Caprimulgidae (potoos) Family Nyctibiidae (nightjars) Family Podargidae (frogmouth) Family Steatornithidae (oilbird)
Order Cuculiformes (cuckoos)
Family Cuculidae
Order Otidiformes (bustards)
Family Otididae
Order Musophagiformes (turacos)
Family Musophagidae
Order Opisthocomiformes (hoatzin)
Family Opisthocomidae
Order Gruiformes (cranes and relatives)
Family Aptornithidae (adzebills) Family Aramidae (limpkin) Family Gruidae (cranes) Family Heliornithidae (finfoots and sungrebe) Family Psophiidae (trumpeters) Family Rallidae (rails) Family Sarothruridae (flufftails)
Order Charadriiformes (waders and gulls)