List of chordate orders

Subphylum [Vetulicolia] †

Class Vetulicolida †

Class [Banffozoa] †

• Family Banffidae †
• * Genus Banffia †

  Class [Heteromorphida] †

Class [Yuyuanozoon] † ?

• * Genus Yuyuanozoon †

  Subphylum [Cephalochordate]

Class [Leptocardii]: Lancelets

• Order Amphioxiformes

  Family Pikaiidae †

• Genus Pikaia †

  [Olfactores] (unranked)

Subphylum [Tunicate]

Class [Ascidiacea]: Ascideans and sessile tunicates

• Order Enterogona
• Order Pleurogona
• Order Aspiraculata

  Class [Thaliacea]: Pelagic tunicates

• Order Doliolida
• Order Pyrosomida
• Order Salpida: salps

  Class [Appendicularia]: Solitary, free-swimming tunicates

• Order Copelata

  Subphylum [Vertebrate]s

Infraphylum [Cyclostomata], Superclass [Agnatha]: Paraphyletic jawless vertebrates

Class [Myxini]: Hagfish

• Order Myxiniformes
• ** Family Myxinidae

  Class [Hyperoartia]: Lampreys and their † kin

• Order Petromyzontiformes

  Infraphylum [Gnathostomata]: [Jaw]ed vertebrates

Class [Placodermi] †

• Order Acanthothoraci
• Order Arthrodira
• Order Antiarchi
• Order Brindabellaspida
• Order Petalichthyida
• Order Phyllolepida
• Order Ptyctodontida
• Order Rhenanida
• Order Pseudopetalichthyida
• Order Stensioellida

  Class [Chondrichthyes]: Cartilaginous fish

• Subclass Elasmobranchii
• * Superorder Batoidea
• ** Order Rajiformes: rays and skates
• ** Order Pristiformes: sawfishes
• ** Order Torpediniformes: electric rays
• ** Order Myliobatiformes: rays
• * Superorder Selachimorpha
• ** Order Heterodontiformes: bullhead sharks
• ** Order Orectolobiformes: carpet sharks
• ** Order Carcharhiniformes: ground sharks
• ** Order Lamniformes: mackerel sharks
• * Order Hexanchiformes: frilled and cow sharks
• ** Order Squaliformes: dogfish sharks
• ** Order Squatiniformes: angel sharks
• ** Order Pristiophoriformes: saw sharks
• Subclass Holocephali
• * Order Chimaeriformes: chimaeras

  Class [Acanthodii] †

• Order Climatiiformes
• Order Ischnacanthiformes
• Order Acanthodiformes

  Superclass [Osteichthyes]: Bony fish

Class [Actinopterygii]: Ray-finned fish

• Order Asarotiformes †
• Order Discordichthyiformes †
• Order Paphosisciformes †
• Order Scanilepiformes †
• Order Cheirolepidiformes †
• Order Paramblypteriformes †
• Order Rhadinichthyiformes †
• Order Palaeonisciformes †
• Order Tarrasiiformes †
• Order Pachycormiformes †
• Order Ptycholepiformes †
• Order Redfieldiiformes †
• Order Haplolepidiformes †
• Order Aeduelliformes †
• Order Platysomiformes †
• Order Dorypteriformes †
• Order Eurynotiformes †

• Order Polypteriformes

• Order Acipenseriformes: sturgeons and paddlefishes

• Infraclass Holostei
• * Order Lepisosteiformes, the gars
• * Order Amiiformes, the bowfins
• Infraclass Teleostei
• Superorder Osteoglossomorpha
• * Order Osteoglossiformes, the bony-tongued fishes
• * Order Hiodontiformes, including the mooneye and goldeye
• * Order Lycopteriformes
• * Order Ichthyodectiformes †
• Superorder Elopomorpha
• * Order Elopiformes, including the ladyfishes and tarpon
• * Order Albuliformes, the bonefishes
• * Order Notacanthiformes, including the halosaurs and spiny eels
• * Order Anguilliformes, the true eels and gulpers
• * Order Saccopharyngiformes, including the gulper eel
• Superorder Clupeomorpha
• * Order Clupeiformes, including herrings and anchovies
• Superorder Ostariophysi
• * Order Gonorynchiformes, including the milkfishes
• * Order Cypriniformes, including barbs, carp, danios, goldfishes, loaches, minnows, rasboras
• * Order Characiformes, including characins, pencilfishes, hatchetfishes, piranhas, tetras.
• * Order Gymnotiformes, including electric eels and knifefishes
• * Order Siluriformes, the catfishes
• Superorder Protacanthopterygii
• * Order Salmoniformes, including salmon and trout
• * Order Esociformes the pike
• * Order Osmeriformes, including the smelts and galaxiids
• Superorder Stenopterygii
• * Order Ateleopodiformes, the jellynose fish
• * Order Stomiiformes, including the bristlemouths and marine hatchetfishes
• Superorder Cyclosquamata
• * Order Aulopiformes, including the Bombay duck and lancetfishes
• Superorder Scopelomorpha
• * Order Myctophiformes, including the lanternfishes
• Superorder Lampridiomorpha
• * Order Lampriformes, including the oarfish, opah and ribbonfishes
• Superorder Polymyxiomorpha
• * Order Polymixiiformes, the beardfishes
• Superorder Paracanthopterygii
• * Order Percopsiformes, including the cavefishes and trout-perches
• * Order Batrachoidiformes, the toadfishes
• * Order Lophiiformes, including the anglerfishes
• * Order Gadiformes, including cods
• * Order Ophidiiformes, including the pearlfishes
• Superorder Acanthopterygii
• * Order Mugiliformes, the mullets
• * Order Atheriniformes, including silversides and rainbowfishes
• * Order Beloniformes, including the flyingfishes
• * Order Cetomimiformes, the whalefishes
• * Order Cyprinodontiformes, including livebearers, killifishes
• * Order Stephanoberyciformes, including the ridgeheads
• * Order Beryciformes, including the fangtooths and pineconefishes
• * Order Zeiformes, including the dories
• * Order Gobiesociformes, the clingfishes
• * Order Gasterosteiformes including sticklebacks, pipefishes, seahorses
• * Order Syngnathiformes, including the seahorses and pipefishes
• * Order Synbranchiformes, including the swamp eels
• * Order Tetraodontiformes, including the filefishes and pufferfish
• * Order Pleuronectiformes, the flatfishes
• * Order Scorpaeniformes, including scorpionfishes and the sculpins
• * Order Perciformes 40% of all fish including anabantids, centrarchids, cichlids, gobies, gouramis, mackerel, perches, scats, whiting, wrasses

  Class [Sarcopterygii]: Lobe-finned fish

• Subclass Actinistia
• * Order Coelacanthiformes, the coelacanth
• Subclass Dipnoi
• * Order Ceratodontiformes
• * Order Lepidosireniformes

  Superclass [Tetrapod]a

Class [Amphibia]: Amphibians

• * Order Urodela or Caudata
• * Order Anura
• * Order Gymnophiona or Apoda

  Class Reptilia">Reptile">Reptilia: Reptiles

• Subclass Diapsida
• * Infraclass Archosauromorpha
• ** Division Crurotarsi
• *** Subdivision Archosauria
• **** Infradivision Pseudosuchia
• ***** Magnorder Suchia
• ****** Superorder Crocodylomorpha
• ******* Order Crocodilia
• **** Infradivision Avemetatarsalia
• ***** Class Aves
• * Infraclass Lepidosauromorpha
• ** Superorder Lepidosauria
• *** Order Rhynchocephalia
• *** Order Squamata
• Subclass Anapsida
• * Order Testudines

  Class [Aves]: Birds

• Subclass Neornithes
• Infraclass Palaeognathae
• * Order Apterygiformes kiwis
• * Order Casuariiformes cassowaries and emu
• * Order Rheiformes rheas
• * Order Struthioniformes, ostriches
• * Order Tinamiformes, tinamous
• Infraclass Neognathae
• * Superorder Galloanserae
• ** Order Anseriformes, waterfowl
• ** Order Galliformes, fowl
• * Superorder Neoaves
• ** Order Sphenisciformes, penguins
• ** Order Gaviiformes, loons
• ** Order Podicipediformes, grebes
• ** Order Procellariiformes, albatrosses, petrels, and allies
• ** Order Pelecaniformes, pelicans and allies
• ** Order Ciconiiformes, storks and allies
• ** Order Phoenicopteriformes, flamingos
• ** Order Accipitriformes, eagles, hawks and allies
• ** Order Falconiformes, falcons
• ** Order Opisthocomiformes, hoatzin
• ** Order Gruiformes, cranes and allies
• ** Order Charadriiformes, plovers and allies
• ** Order Pterocliformes, sandgrouse
• ** Order Columbiformes, doves and pigeons
• ** Order Psittaciformes, parrots and allies
• ** Order Cuculiformes, cuckoos
• ** Order Strigiformes, owls
• ** Order Caprimulgiformes, nightjars and allies
• ** Order Apodiformes, swifts
• ** Order Coliiformes, mousebirds
• ** Order Trogoniformes, trogons
• ** Order Coraciiformes, kingfishers
• ** Order Piciformes, woodpeckers and allies
• ** Order Passeriformes, passerines

  Class [Mammal]ia: Mammals

• Subclass Prototheria
• ***** Order Monotremata, monotremes
• Subclass Theria
• * Infraclass Marsupialia
• ***** Order Didelphimorphia, opossums
• ***** Order Paucituberculata, rat opossums
• ***** Order Microbiotheria, monito del monte
• ***** Order Dasyuromorphia, marsupial carnivores
• ***** Order Peramelemorphia, marsupial omnivores
• ***** Order Notoryctemorphia, marsupial moles
• ***** Order Diprotodontia, marsupial herbivores; kangaroos, wallabies, possums and allies
• * Infraclass Eutheria
• ** Magnorder Atlantogenata
• *** Superorder Afrotheria
• **** Grandorder Afrosoricida
• ***** Order Afrosoricida, tenrecs and golden moles
• ***** Order Macroscelidea, elephant shrews
• ***** Order Tubulidentata, aardvark
• **** Grandorder Paenungulata
• ***** Order Hyracoidea, hyraxes
• ***** Mirorder Tethytheria
• ****** Order Proboscidea, elephants
• ****** Order Sirenia, manatees and dugongs
• *** Superorder Xenarthra
• **** Order Cingulata, armadillos
• **** Order Pilosa, sloths and anteaters
• ** Magnorder Boreoeutheria
• *** Superorder Laurasiatheria
• **** Order Eulipotyphla, hedgehogs, shrews, moles
• ****Grandorder Ferungulata
• ***** Order Cetartiodactyla, cetaceans and even-toed ungulates
• ***** Clade Pegasoferae
• ****** Order Chiroptera, bats
• ****** Mirorder Zooamata
• ******* Order Perissodactyla, odd-toed ungulates; horses, rhinos, tapirs
• ******* Clade Ferae
• ******** Order Pholidota, pangolins
• ******** Order Carnivora, carnivores; cats, dogs, bears, seals, sea lions and others
• ******** Order †Creodonta hyaenodontidae hyeanodon, dissopsalis, sarkastostodon, and megistotherium.
• *** Superorder Euarchontoglires
• **** Grandorder Euarchonta
• ***** Mirorder Sundatheria
• ****** Order Dermoptera, colugos
• ****** Order Scandentia, treeshrews
• ***** Mirorder Primatomorpha
• ****** Order Primates, lemurs, monkeys, apes and allies
• **** Grandorder Glires
• ***** Order Rodentia, rodents
• ***** Order Lagomorpha, rabbits, hares and pikas