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All the classes and orders of phylum Chordata
Spotted gar, Lepisosteus oculatus This article contains a list of all of the classes and orders that are located in the Phylum Chordata .
Lancelet Branchiostoma lanceolatum Family Pikaiidae † Class Ascidiacea : Ascideans and sessile tunicates Chelyosoma macleayanum Class Thaliacea : Pelagic tunicates Class Appendicularia : Solitary, free-swimming tunicates Infraphylum Cyclostomata , Superclass Agnatha : Paraphyletic jawless vertebrates Class Myxini : Hagfish Class Hyperoartia : Lampreys and their † kin Bothriolepis canadensis Dogfish shark Pristiophorus japonicus Acanthodes 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 Lepisosteus oculatus Eurypharynx pelecanoides Argyropelecus aculeatus Infraclass Holostei Infraclass Teleostei Superorder Osteoglossomorpha Superorder Elopomorpha Superorder Clupeomorpha 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 Superorder Stenopterygii Superorder Cyclosquamata Superorder Scopelomorpha Superorder Lampridiomorpha Superorder Polymyxiomorpha Superorder Paracanthopterygii 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 West Indian Ocean coelacanth Class Amphibia : Amphibians Saltwater crocodile Class Aves : Birds Southern rockhopper penguin (Eudyptes chrysocome ), a flightless bird Subclass Neornithes Infraclass Palaeognathae Infraclass Neognathae Superorder Galloanserae (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 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 Piciformes , woodpeckers and allies Order Passeriformes , passerines See also References