List of chordate orders

Spotted gar, Lepisosteus oculatus

List of chordate classes and orders in Phylum Chordata, Kingdom Animalia

Subphylum Tunicate

Class Ascidiacea

Chelyosoma macleayanum

Ascideans and sessile tunicates

• Order Enterogona
• Order Pleurogona
• Order Aspiraculata

Class Thaliacea

Pelagic tunicates

• Order Doliolida
• Order Pyrosomida
• Order Salpida, salps

Class Larvacea

solitary, free-swimming tunicates

Subphylum Cephalochordate

Class Leptocardii (lancelets)

Lancelet Branchiostoma lanceolatum

• Order Amphioxiformes

Family Pikaiidae †

• Genus Pikaia †

Subphylum Vertebrates

Infraphylum Cyclostomata, Superclass Agnatha

Paraphyletic jawless vertebrates; 100+ species

Class Myxini (hagfish)

• • Order Myxiniformes
    • Family Myxinidae

Class Hyperoartia (lampreys and their † kin)

• • Order Petromyzontiformes

Infraphylum Gnathostomata (jawed vertebrates)

Bothriolepis canadensis

Class Placodermi - †

• • Order Acanthothoraci
  • Order Arthrodira
  • Order Antiarchi
  • Order Brindabellaspida
  • Order Petalichthyida
  • Order Phyllolepida
  • Order Ptyctodontida
  • Order Rhenanida
  • Order Pseudopetalichthyida (The placement of this order is debated.)
  • Order Stensioellida (The placement of this monotypic order is debated.)

Class Chondrichthyes (cartilaginous fish)

Dogfish shark

Pristiophorus japonicus

• Subclass Elasmobranchii
• Superorder Batoidea
  • Order Rajiformes: rays and skates
  • Order Pristiformes: sawfishes
  • Order Torpediniformes: electric rays
• Superorder Selachimorpha (sharks)
  • 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 †

Acanthodes

• Superclass Osteichthyes

Class Actinopterygii (ray-finned fish)

Polypterus bichir

Subclass Cladistia

• Acipenseriformes
  • Acipenseridae — sturgeons
  • Polyodontidae — paddlefishes
  • Chondrosteidae(†)
  • Errolichthyidae(†)
• Cheirolepidiformes(†)
• Guildayichthyiformes(†)
• Luganoiiformes(†)
• Palaeonisciformes(†)
  • Acrolepidae(†)
  • Birgeriidae(†)
  • Palaeoniscidae(†)
• Perleidiformes(†)
• Phanerorhynchiformes(†)
• Pholidopleuriformes(†)
• Polypteriformes
  • Polypteridae
• Ptycholepiformes(†)
• Saurichthyiformes(†)
• Tarrasiiformes(†)

Subclass Chondrostei

• • Order Acipenseriformes, including the sturgeons and paddlefishes

Subclass Neopterygii

Lepisosteus oculatus

Eurypharynx pelecanoides

Argyropelecus aculeatus

• 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
• 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^[1]
  • Order Gasterosteiformes including sticklebacks, pipefishes, seahorses
  • Order Syngnathiformes, including the seahorses and pipefishes^[2]
  • 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 (incl. bass and sunfish), cichlids, gobies, gouramis, mackerel, perches, scats, whiting, wrasses

Class Sarcopterygii (fleshy-finned fishes)

West Indian Ocean coelacanth

• Subclass Actinistia (coelacanths)
  • Order Coelacanthiformes, the coelacanth
• Subclass Dipnoi (lungfish)
  • Order Ceratodontiformes
  • Order Lepidosireniformes

Superclass Tetrapoda

Class Amphibia (amphibians)

• • Order Urodela or Caudata (salamanders)
  • Order Anura (frogs and toads)
  • Order Gymnophiona or Apoda (caecilians)

Class Reptilia (reptiles)

Saltwater crocodile

• Subclass Diapsida
  • Infraclass Archosauromorpha
    • Division Archosauria
      • Subdivision Crurotarsi
        • Infradivision Pseudosuchia
          • Magnorder Suchia
            • Superorder Crocodylomorpha
              • Order Crocodilia (Crocodilians)
  • Infraclass Lepidosauromorpha
    • Superorder Lepidosauria
      • Order Rhynchocephalia (tuataras)
      • Order Squamata (lizards, snakes)
• Subclass Anapsida
  • Order Testudines (turtles and their kin)

Class Aves (birds)

Southern rockhopper penguin (Eudyptes chrysocome), a flightless bird

• Subclass Neornithes
• Superorder Palaeognathae
  • Order Struthioniformes, ostrich, emus, kiwis, and allies
  • Order Tinamiformes, tinamous
• Infraclass Neognathae
  • Superorder Galloanserae (fowl)
  • 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 (taxonomists have traditionally placed these groups in the Falconiformes)
  • Order Falconiformes, falcons
  • Order Turniciformes, button-quail
  • Order Opisthocomiformes, hoatzin (this enigmatic bird was traditionally treated as a family within either the Galliformes or Cuculiformes)
  • Order Gruiformes, cranes and allies
  • Order Charadriiformes, plovers and allies
  • Order Pterocliformes, sandgrouse (this enigmatic group was traditionally treated as a family in any of three different orders: Charadriiformes, Ciconiiformes, and Columbiformes)
  • 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 Galbuliformes, jacamars and puffbirds (these groups were traditionally treated as families in the order Piciformes)
  • Order Piciformes, woodpeckers and allies
  • Order Passeriformes, passerines

Class Mammalia (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

See also

• List of animal classes

References

1. ↑ In ITIS, Gobiesociformes is placed as the suborder Gobiesocoidei of the order Perciformes.
2. ↑ In Nelson and ITIS, Syngnathiformes is placed as the suborder Syngnathoidei of the order Gasterosteiformes.