List of chordate orders

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Spotted gar, Lepisosteus oculatus

This page contains a list of all of the classes and orders that are located in the Phylum Chordata.

Subphylum Vetulicolia[edit]

Class Vetulicolida †[edit]

Class Banffozoa[edit]

  • Family Banffidae †
    • Genus Banffia

Class Heteromorphida[edit]

Class Yuyuanozoon † ?[edit]

    • Genus Yuyuanozoon

Subphylum Cephalochordate[edit]

Class Leptocardii: Lancelets[edit]

Family Pikaiidae †[edit]

Olfactores (unranked)[edit]

Subphylum Tunicate[edit]

Class Ascidiacea: Ascideans and sessile tunicates[edit]

Chelyosoma macleayanum

Class Thaliacea: Pelagic tunicates[edit]

Class Appendicularia: Solitary, free-swimming tunicates[edit]

Subphylum Vertebrates[edit]

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

Class Myxini: Hagfish[edit]
  • Order Myxiniformes
      • Family Myxinidae
Class Hyperoartia: Lampreys and their † kin[edit]

Infraphylum Gnathostomata: Jawed vertebrates[edit]

Class Placodermi[edit]
Class Chondrichthyes: Cartilaginous fish[edit]
Dogfish shark
Class Acanthodii[edit]
Superclass Osteichthyes: Bony fish[edit]
Class Actinopterygii: Ray-finned fish[edit]
Atlantic sturgeon
  • 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 †
Subclass Cladistii
Subclass Chondrostei
Subclass Neopterygii
Class Sarcopterygii: Lobe-finned fish[edit]
Superclass Tetrapoda[edit]
Class Amphibia: Amphibians[edit]
Class Reptilia: Reptiles[edit]
Class Aves: Birds[edit]
Southern rockhopper penguin (Eudyptes chrysocome), a flightless bird
Class Mammalia: Mammals[edit]

See also[edit]


  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.