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Chondrichthyes (Cartilaginous fishes)
Holocephali (Chimaeras)
Chimaeriformes (Chimaeras)
Chimaeridae (Shortnose chimaeras)
Elasmobranchii
Selachii (Sharks)
Heterodontiformes
Heterodontidae (Bullhead shark)
Orectolobiformes
Hemiscylliidae (Longtail carpet sharks)
Carchariniformes
Scyliorhinidae (Catshark)
Sphyrnidae (Hammerhead shark)
Squaliformes
Etmopteridae (Lantern sharks)
Squalidae (Dogfish sharks)
Batoidea (Rays)
Torpediniformes
Narcinidae (Numbfishes)
Rajiformes
Rajidae (Skate)
Pristiformes
Rhinobatidae (Guitarfish)
Pristidae (Sawfish)
Myliobatiformes
Urolophidae (Round stingrays)
Dasyatidae (Whiptail stingrays)
Potamotrygonidae (Freshwater stingrays)
Gymnuridae (Butterfly ray)
Urotrygonidae (American round stingrays)
Myliobatidae (Eagle ray)
Actinopterygii (Ray finnes fishes)
Non-Teleosts
Cladistia
Polypteriformes (Bichirs, reedfish)
Polypteridae (Bichirs, reedfish)
Chondrostei (Sturgeons, paddlefish)
Acipenseriformes (Sturgeons, paddlefish)
Polyodontidae (Paddlefish)
Acipenseridae (Sturgeon)
Holostei (Garfish, bowfin)
Lepisosteiformes (Garfish)
Lepisosteidae (Gar)
Amiiformes (Bowfin)
Amiidae (Bowfin)
Elopomorpha (Eels)
Elopiformes (Tarpons, tenpounders, and ladyfish)
Elopidae (Ladyfish)
Megalopidae (Tarpon)
Anguilliformes (Eels)
Synaphobranchidae (Cutthroat eel)
Muraenidae (Moray eel)
Ophichthidae (Worm eels)
Nettastomatidae (Duckbill eels)
Congridae (Garden eels)
Nemichthyidae (Snipe eels)
Anguillidae (Freshwater eels)
Osteoglossomorpha (Bonytongeus)
Hiodontiformes (Mooneye)
Hiodontidae (Mooneye)
Osteoglossiformes (Bony tongues)
Pantodontidae (Butterflyfish)
Osteoglossidae (Arowanas)
Notopteridae (Featherbacks)
Mormyridae (Elephantfish)
Otocephala
Clupeomorpha
Clupeiformes (Herrings, anchovies)
Denticipitidae (Denticle herring)
Pristigasteridae (Longfin herrings)
Engraulidae (Anchovy)
Chirocentridae (Wolf herring)
Clupeidae (Herring)
Alepocephali
Alepocephaliformes (Slickheads)
Platytroctidae (Tubeshoulders)
Anotophysi
Gonorynchiformes (Milkfish)
Chanidae (Milkfish)
Kneriidae (Knerias, snake mudheads)
Otophysi
Cypriniformes (Carps, minnows, loaches)
Cyprinidae (Carps, minnows)
Psilorhynchidae (Mountain carps)
Gyrinocheilidae (Algae eaters)
Catostomidae (Suckers)
Vaillantellidae (Long-fin loaches)
Balitoridae (Hillstream loach)
Gastromyzontidae (Sucker loaches)
Barbuccidae (Fire-eyed loaches)
Ellopostomatidae (Sturgeon-mouthed loaches)
Serpenticobitidae (Serpent loaches)
Characiformes (Characins)
Distichodontidae (Distichodontids)
Alestidae (African tetras)
Erythrinidae (Trahiras)
Cynodontidae (Cynodontids)
Serrasalmidae (Pacu, piranha)
Hemiodontidae (Hemidontids)
Anostomidae (Anostomids)
Curimatidae (Toothless characins)
Prochilodontidae (Flannel-mouthed characins)
Characidae (Characins)
Gasteropelecidae (Freshwater hatchetfishes)
Siluriformes (Catfish)
Diplomystidae (Velvet catfishes)
Cetopsidae (Whale catfishes)
Trichomycteridae (Pencil catfishes)
Nematogenyidae (Mountain catfish)
Callichthyidae (Armored catfishes)
Scoloplacidae (Spiny dwarf catfishes)
Loricariidae (Suckermouth armored catfishes)
Siluridae (Sheatfishes)
Pangasiidae (Shark catfish)
Chacidae (Squarehead catfishes)
Plotosidae (Eeltail catfish)
Ailiidae (Asian Schilbeids)
Horabagridae (Sun catfishes)
Bagridae (Bagrid catfishes)
Amblycipitidae (Torrent catfishes)
Sisoridae (Sisorid catfishes)
Erethistidae (Erethistid catfishes)
Amphiliidae (Loach catfish)
Malapteruridae (Electric catfish)
Mochokidae (Squeakers)
Schilbeidae (Butter catfishes)
Auchenoglanididae (Auchenoglanidids)
Claroteidae (Claroteids)
Clariidae (Airbreathing catfishes)
Heteropneustidae (Airsac catfishes)
Ariidae (Sea catfishes)
Aspredinidae (Banjo catfishes)
Doradidae (Thorny catfishes)
Auchenipteridae (Driftwood catfishes)
Ictaluridae (North American catfishes)
Heptapteridae (Heptapterids)
Pimelodidae (Long-whiskered catfishes)
Pseudopimelodidae (Bumblebee catfishes)
Gymnotiformes (Knifefish)
Gymnotidae (Naked-back knifefish)
Rhamphichthyidae (Sand knifefishes)
Hypopomidae (Bluntnose knifefish)
Sternopygidae (Glass knifefish)
Apteronotidae (Ghost knifefish)
Lepidogalaximorpha (Salamanderfishes)
Lepidogalaxiiformes (Salamanderfishes)
Lepidogalaxiidae (Salamanderfishes)
Protacanthopterygii
Salmoniformes (Salmonids)
Salmonidae (Salmons)
Esociformes (Mudminnows, pikes)
Esocidae (Pikes)
Umbridae (Mudminnows)
Intermediate
Osmeromorpha
Argentiniformes (Marine smelts)
Opisthoproctidae (Spookfishes)
Microstomatidae (Pencilsmelts)
Bathylagidae (Deepsea smelts)
Galaxiiformes (Galaxiiforms)
Galaxiidae (Galaxiids)
Osmeriformes (Freshwater smelts)
Osmeridae (Northern Hemisphere smelts)
Plecoglossidae (Sweetfish)
Salangidae (Icefishes)
Stomiiformes (Dragonfishes)
Gonostomatidae (Bristlemouths)
Sternoptychidae (Marine hatchetfishes)
Phosichthyidae (Lightfishes)
Stomiidae (Barbeled dragonfishes)
Cyclosquamata
Aulopiformes (Lizardfishes)
Synodontidae (Lizardfishes)
Ipnopidae (Deepsea tripod fishes)
Giganturidae (Telescopefishes)
Anotopteridae
Scopelomorpha
Myctophiformes (Lanternfishes)
Neoscopelidae (Blackchins)
Myctophidae (Lanternfishes)
Lampridiomorpha
Lampriformes (Opahs)
Trachipteridae (Ribbonfishes)
Paracanthopterygii
Polymixiiformes (Beardfish)
Polymixiidae (Beardfish)
Percopsiformes (Trout-perches)
Percopsidae (Trout-perches)
Aphredoderidae (Pirate perches)
Amblyopsidae (Cavefishes)
Stylephoriformes (Tube-eye)
Stylephoridae (Tube-eye)
Gadiformes (Cods, hakes)
Melanonidae (Pelagic cods)
Macrouridae (Grenadiers)
Moridae (Deepsea cods)
Merlucciidae (Merlucciid hakes)
Gadidae (Cods)
Acanthopterygii (Spiny finned fishes)
Holocentriformes (Squirrelfishes)
Holocentridae (Squirrelfish, soldierfish)
Trachichthyiformes (Roughies)
Anoplogastridae (Fangtooths)
Monocentridae (Pinecone fishes)
Beryciformes (Beryciforms)
Barbourisiidae (Red whalefishes)
Ophidiiformes (Cusk-eels, pearlfishes, brotulas)
Ophidiidae (Cusk-eels)
Bythitidae (Viviparous brotula)
Batrachoidiformes (Toadfish)
Batrachoididae (Toadfish)
Kurtiformes (Cardinalfish, nurseryfish)
Apogonidae (Cardinalfishes)
Gobiiformes (Gobies)
Eleotridae (Sleeper gobies)
Oxudercidae (Mudskipper)
Gobiidae (Gobies)
Pholidichthyidae
IncertaeSedis
Embiotocidae (Surfperch)
Grammatidae (Basslets)
Plesiopidae (Roundheads)
Pomacentridae (Damselfishes and clownfishes)
Mugiliformes (Mullets)
Mugilidae (Mullets)
Cichliformes (Cichlids)
Cichlidae (Cichlids)
Blenniiformes (Blennies)
Tripterygiidae (Threefin blenny)
Dactyloscopidae (Sand stargazer)
Blenniidae (Combtooth blenny)
Clinidae (Kelp blennies)
Labrisomidae (Labrisomid blennies)
Chaenopsidae (Pike-blennies, tube-blennies, and flagblennies)
Gobiesociformes (Clingfishes)
Gobiesocidae (Clingfishes)
Atheriniformes (Silversides)
Atherinopsidae (Neotropical silverside)
Beloniformes (Needlefishes)
Adrianichthyidae (Ricefish, medakas)
Exocoetidae (Flyingfishes)
Hemiramphidae (Halfbeaks)
Zenarchopteridae (Viviparous halfbeaks)
Belonidae (Needlefish)
Scomberesocidae (Sauries)
Cyprinodontiformes (Toothcarps)
Nothobranchiidae (African rivulines)
Goodeidae (Splitfins)
Fundulidae (Topminnows)
Cyprinodontidae (Pupfish)
Anablepidae (Four-eyed fishes)
Poeciliidae (Livebearers)
Synbranchiformes (Swamp eels)
Mastacembelidae (Freshwater spiny eels)
Carangiformes (Jacks)
Rachycentridae (Cobia)
Echeneidae (Remora)
Carangidae (Jacks)
Anabantiformes (Labyrinth fishes)
Anabantidae (Climbing gourami)
Pleuronectiformes (Flatfish)
Pleuronectoidei
Paralichthyidae (Sand flounders)
Pleuronectidae (Righteye flounders)
Achiridae (American sole)
Syngnathiformes (Pipefishes, seahorses)
Pegasidae (Seamoths)
Solenostomidae (Ghost pipefishes)
Syngnathidae (Pipefishes, seahorses)
Aulostomidae (Trumpetfish)
Fistulariidae (Cornetfish)
Macroramphosidae (Snipefishes)
Centriscidae (Shrimpfishes)
Dactylopteridae (Flying gurnards)
Icosteiformes (Ragfish)
Icosteidae (Ragfish)
Scombriformes (Mackerels)
Gempylidae (Snake mackerels)
Scombridae (Mackerels, tunas, and bonitos)
Centrolophidae (Medusafish)
Nomeidae (Driftfish)
Stromateidae (Butterfishes)
Trachiniformes
Chiasmodontidae (Snaketooth fishes)
Pinguipedidae (Sandperch)
Cheimarrhichthyidae (Torrentfish)
Ammodytidae (Sand lance)
Uranoscopidae (Stargazer)
Labriformes (Wrasses)
Labridae (Wrasse)
Scaridae (Parrotfish)
Perciformes (Perches)
Centropomidae (Snooks)
Gerreidae (Mojarra)
Perciliidae (Southern basses)
Howellidae (Oceanic basslets)
Acropomatidae (Lanternbellies)
Polyprionidae (Wreckfish)
Lateolabracidae (Asian seabass)
Mullidae (Goatfish)
Kyphosidae (Sea chub)
Percichthyidae (Temperate perch)
Enoplosidae (Old wife)
Centrarchidae (Sunfishes)
Serranidae (Sea basses, groupers)
Percidae (Perches)
Lactariidae (False trevally)
Priacanthidae (Bigeyes)
Chaetodontidae (Butterflyfish)
Lutjanidae (Snappers)
Caesionidae (Fusiliers)
Cirrhitidae (Hawkfish)
Nototheniidae (Cod icefishes)
Harpagiferidae (Spiny plunderfishes)
Bathydraconidae (Antarctic dragonfishes)
Channichthyidae (Crocodile icefish)
Polynemidae
Scorpaeniformes (Mail-cheeked fishes)
Sebastidae (Rockfishes)
Scorpaenidae (Scorpionfish)
Triglidae (Sea robins)
Peristediidae (Armored searobins)
Platycephalidae (Flatheads)
Normanichthyidae (Mote sculpin)
Bathymasteridae (Ronquil)
Zoarcidae (Eelpout)
Stichaeidae (Prickleback)
Cryptacanthodidae (Wrymouths)
Pholidae (Gunnels)
Anarhichadidae (Wolffish)
Ptilichthyidae (Graveldiver)
Zaproridae (Graveldiver)
Scytalinidae (Graveldiver)
Hypoptychidae (Sand-eels)
Aulorhynchidae (Tube-snouts)
Gasterosteidae (Sticklebacks)
Indostomidae (Armoured stickleback)
Anoplopomatidae (Sablefishes)
Zaniolepididae (Combfish)
Hexagrammidae (Greenlings)
Trichodontidae (Sandfishes)
Jordaniidae (Longfin sculpin)
Rhamphocottidae (Grunt sculpins)
Scorpaenichthyidae (Cabezon)
Agonidae (Poacher)
Cottidae (Sculpins)
Psychrolutidae (Fatheads)
Cyclopteridae (Lumpsucker)
Liparidae (Snailfishes)
Synanceiidae
Cottocomephoridae (Bighead sculpins)
Moroniformes (Temperate basses)
Moronidae (Temperate basses)
Ephippidae (Spadefishes)
Acanthuriformes (Surgeonfishes)
Sciaenidae (Drums or croakers)
Acanthuridae (Surgeonfishes, tangs, and unicornfishes)
Spariformes (Breams and porgies)
Lethrinidae (Emperors)
Sparidae (Sea breams and porgies)
Lophiiformes (Anglerfishes)
Lophiidae (Goosefish)
Antennariidae (Frogfish)
Tetrabrachiidae (Four-armed frogfish)
Brachionichthyidae (Handfish)
Ogcocephalidae (Batfishes)
Caulophrynidae (Fanfin)
Melanocetidae (Black seadevil)
Diceratiidae (Double angler)
Oneirodidae (Dreamers)
Centrophrynidae (Horned lantern fish)
Ceratiidae (Sea devils)
Gigantactinidae (Whipnose angler)
Linophrynidae (Leftvents)
Tetraodontiformes (Plectognaths)
Triacanthodoidei (Spikefish, triplespines)
Triacanthodidae (Spikefish)
Triacanthidae (Triplespines)
Ostracioidea (Boxfishes)
Aracanidae (False boxfishes)
Ostraciidae (Boxfishes)
Balistoidei (Triggerfish, filefish)
Balistidae (Triggerfish)
Monacanthidae (Filefish)
Tetraodontoidei (Sunfish, pufferfish, porcupinefish)
Molidae (Ocean sunfishes)
Tetraodontidae (Pufferfish)
Diodontidae (Porcupinefish)
Sarcopterygii (Lobe finned fishes)
Ceratodontiformes (Lungfishes)
Ceratodontidae (Australian lungfish)
Lepidosirenidae (South American lungfish)
Amphibia (Amphibians)
Urodela (Salamander)
Ambystomatidae (Mole salamander)
Plethodontidae
Anura (Frog)
Neobatrachia
Ranidae (True frog)
Mammalia (Mammals)
Placentalia
Xenarthra
Cingulata (Armadillos)
Dasypodidae (Armadillo)
Chlamyphoridae
Boreoeutheria
Rodentia (Rodent)
Castorimorpha
Geomyidae (Gopher)
Heteromyidae (Kangaroo rats, kangaroo mice, and pocket mice)
Hystricomorpha
Bathyergidae (Mole-rats)
Ctenomyidae (Tuco-tuco)
Echimyidae (Neotropical spiny)
Myomorpha
Dipodidae
Calomyscidae (Mouse-like hamster)
Cricetidae (Hamsters, voles, lemmings)
Muridae
Sciuromorpha
Gliridae (Dormouse)
Sciuridae (Squirrel)
Primates (Primate)
Hominidae (Great apes)
Carnivora (Carnivora)
Felidae (Cats)
Sauropsida (Reptiles, Birds)
Testudines
Pleurodira (Side-necked turtle)
Chelidae
Pelomedusidae
Cryptodira (Hidden-necked turtles)
Emydidae
Geoemydidae
Kinosternidae
Testudinidae (Tortoise)
Sphenodontia
Sphenodontia (Tuatara)
Sphenodontidae
Squamata
Gekkota (Gecko)
Diplodactylidae
Carphodactylidae
Eublepharidae (Eublepharid geckos)
Sphaerodactylidae
Gekkonidae (Gekkonid geckos)
Phyllodactylidae
Scincoidea
Scincidae (Skink)
Lacertoidea
Amphisbaenia
Bipedidae
Anguimorpha
Anguidae (Slowworms, glass lizards, and alligator lizards)
Iguania (Iguania)
Chamaeleonidae (Chameleon)
Phrynosomatidae
Serpentes (Snake)
Boidae (Boas)
Pythonidae (Pythons)
Colubridae
Aves
Palaeognathae
Tinamiformes
Tinamidae (Tinamou)
Galloanserae
Galliformes
Phasianidae (Pheasants)
Anseriformes
Anatidae (Ducks, geese and swans)
Neoaves
Columbea
Podicipediformes
Podicipedidae (Grebe)
Columbiformes
Columbidae (Pigeons and doves)
Pteroclidiformes
Pteroclididae (Sandgrouse)
Passerea
Cypselomorphae
Caprimulgidae (Nightjar)
Trochilidae (Hummingbird)
Steatornithidae
Cuculiformes
Cuculidae (Cuckoo)
Musophagiformes
Musophagidae (Turaco)
Opisthocomiformes
Opisthocomidae (Hoatzin)
Charadriiformes
Scolopacidae (Sandpiper)
Laridae (Gull)
Sternidae (Tern)
Alcidae (Auk)
Haematopodidae (Oystercatcher)
Charadriidae (Plovers, dotterels, and lapwings)
Aequornithes
Procellariidae
Spheniscidae (Penguin)
Phaethontiformes
Phaethontidae (Tropicbird)
Accipitriformes
Accipitridae
Strigiformes
Strigidae (True owl)
Coraciformes
Alcedinidae (River kingfishers)
Piciformes
Picidae (Woodpecker)
Falconiformes
Falconidae (Falcons)
Psittaciformes
Nestoridae
Cacatuidae (Cockatoo)
Psittacidae
Psittaculidae
Passeriformes
Corvida
Corvoidea
Corvidae
Passerida
Passeroidea
Estrildidae (Estrildid finch)
Parulidae (New World warbler)
