Superclass Agnatha

Class Cephalaspidomorphi

Order Petromyzontiformes
Family Petromyzontidae Lampreys

Superclass Gnathostomata

Class Chondrichthyes

Subclass Holocephali

Order Chimaeriformes
Family Chimaeridae Shortnose Chimaeras

Subclass Elasmobranchii

Order Carcharhiniformes
Family Scyliorhinidae Cat Sharks
Family Carcharhinidae Requiem Sharks
Order Lamniformes
Family Alopiidae Thresher Sharks
Family Cetorhinidae Basking Shark
Family Lamnidae Mackerel Sharks
Order Hexanchiformes
Family Hexanchidae Cow Sharks
Order Squaliformes
Family Squalidae Dogfish Sharks
Family Dalatiidae Sleeper Sharks
Order Squatiniformes
Family Squatinidae Angel Sharks
Order Rajiformes
Family Torpedinidae Electric Rays
Family Rajidae Skates

Class Actinopterygii

Subclass Chondrostei

Order Acipenseriformes
Family Acipenseridae Sturgeons

Subclass Neopterygii

Division Teleostei

Order Anguilliformes
Family Nemichthyidae Snipe Eels
Order Clupeiformes
Family Engraulidae Anchovies
Family Clupeidae Herrings
Order Cypriniformes
Family Cyprinidae Carps and Minnows
Order Osmeriformes
Family Osmeridae Smelts
Order Salmoniformes
Family Salmonidae Salmons and Trouts
Order Aulopiformes
Family Synodontidae Lizardfishes
Family Paralepididae Barracudinas
Family Alepisauridae Lancetfishes
Order Myctophiformes
Family Myctophidae Lanternfishes
Order Lampridiformes
Family Lamprididae Opahs
Family Trachipteridae Ribbonfishes
Order Ophidiiformes
Family Bythitidae Livebearing Brotulas
Order Gadiformes
Family Merlucciidae Merluccid Hakes
Family Gadidae Cods
Order Batrachoidiformes
Family Batrachoididae Toadfishes
Order Beloniformes
Family Scomberesocidae Sauries
Order Cyprinodontiformes
Family Cyprinodontidae Killifishes
Order Gasterosteiformes
Family Aulorhynchidae Tubesnouts
Family Gasterosteidae Sticklebacks
Family Syngnathidae Pipefishes
Order Scorpaeniformes
Family Scorpaenidae Scorpionfishes/Rockfishes
Family Anoplopomatidae Sablefishes
Family Hexagrammidae Greenlings
Family Zaniolepididae Combfishes
Family Rhamphocottidae Grunt Sculpin
Family Cottidae Sculpins
Family Agonidae Poachers
Family Psychrolutidae Fathead Sculpins
Family Cyclopteridae Lumpfishes
Family Liparidae Snailfishes
Order Perciformes
Family Moronidae Temperate Basses
Family Carangidae Jacks
Family Bramidae Pomfrets
Family Sciaenidae Drums
Family Embiotocidae Surfperches
Family Bathymasteridae Ronquils
Family Zoarcidae Eelpouts
Family Stichaeidae Pricklebacks
Family Cryptacanthodidae Wrymouths
Family Pholidae Gunnels
Family Anarhichadidae Wolffishes
Family Ptilichthyidae Quillfish
Family Scytalinidae Graveldiver
Family Trichodontidae Sandfishes
Family Ammodytidae Sand Lances
Family Icosteidae Ragfish
Family Gobiesocidae Clingfishes
Family Gobiidae Gobies
Family Sphyraenidae Barracudas
Family Trichiuridae Cutlassfishes
Family Scombridae Mackerels and Tunas
Family Stromateidae Butterfishes
Order Pleuronectiformes
Family Bothidae Lefteye Flounders
Family Pleuronectidae Righteye Flounders
Family Cynoglossidae Tonguefishes
Order Tetraodontiformes
Family Molidae Molas