Acanthuroidei -
 | | Acanthuridae |
|  | | Luvaridae |
|  | | Siganidae |
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Amiiformes - Bowfins
 | | Amiidae |
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Anguilliformes - eels
 | | Chlopsidae |
|  | | Congridae |
|  | | Heterenchelyidae |
|  | | Muraenidae |
|  | | Nemichthyidae |
|  | | Nettastomatidae |
|  | | Serrivomeridae |
|  | | Synaphobranchidae |
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Aulopiformes - Grinners, inshore Lizardfish, deep-sea gulpers
 | | Alepisauridae |
|  | | Aulopidae |
|  | | Chlorophthalmidae |
|  | | Evermannellidae |
|  | | Ipnopidae |
|  | | Paralepididae |
|  | | Synodontidae |
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Beloniformes - Needle fishes
 | | Belonidae |
|  | | Exocoetidae |
|  | | Hemiramphidae |
|  | | Scomberesocidae |
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Beryciformes - Sawbellies
 | | Berycidae |
|  | | Holocentridae |
|  | | Trachichthyidae |
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Blennioidei -
 | | Blenniidae |
|  | | Clinidae |
|  | | Tripterygiidae |
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Callionymoidei -
 | | Callionymidae |
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Caproidei -
 | | Caproidae |
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Clupeiformes - Herrings, salt and fresh-water plankton feeders
 | | Clupeidae |
|  | | Engraulidae |
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Cyprinodontiformes - Rivulines, Needlefish, Killifishes and live bearers, flying fishes
 | | Cyprinodontidae |
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Dactylopteroidei -
 | | Dactylopteridae |
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Gadiformes - Cods, Hakes, Cusks, Burbot
 | | Bregmacerotidae |
|  | | Gadidae |
|  | | Macrouridae |
|  | | Merlucciidae |
|  | | Moridae |
|  | | Phycidae |
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Gasterosteiformes - Sticklebacks, sea moths, tubenoses, sand eels
 | | Gasterostidae |
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Gobiesociformes - Clingfishes
 | | Gobiesocidae |
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Gobioidei -
 | | Gobiidae |
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Labroidei -
 | | Labridae |
|  | | Pomacentridae |
|  | | Scaridae |
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Lampriformes - Velifers, tube-eyes and ribbonfishes
 | | Lampridae |
|  | | Lophotidae |
|  | | Regalecidae |
|  | | Trachipteridae |
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Lophiiformes - Anglerfishes, Goosefish, Sargassumfish
 | | Chaunacidae |
|  | | Lophiidae |
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Mugiliformes - Mullets
 | | Mugiloidae |
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Myctophiformes - Lanternfishes
 | | Myctophidae |
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Notacanthiformes - Halosaurs and deep-sea spiny eels
 | | Halosauridae |
|  | | Notacanthidae |
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Ophidiiformes - Cusk Eels
 | | Carapidae |
|  | | Ophidiidae |
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Percoidei -
 | | Bramidae |
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Platycephaloidei -
 | | Platycephalidae |
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Pleuronectiformes - flatfish
 | | Bothidae |
|  | | Citharidae |
|  | | Cynoglossidae |
|  | | Pleuronectidae |
|  | | Scophthalmidae |
|  | | Soleidae |
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Salmoniformes -
 | | Salmonidae |
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Scombroidei -
 | | Gempylidae |
|  | | Istiophoridae |
|  | | Scombridae |
|  | | Sphyraenidae |
|  | | Trichiuridae |
|  | | Xiphiidae |
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Scorpaenoidei -
 | | Scorpaenidae |
|  | | Triglidae |
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Stomiiformes - Lightfishes and dragonfishes
 | | Gonostomatidae |
|  | | Sternoptychidae |
|  | | Stomiidae |
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Stromateoidei -
 | | Centrolophidae |
|  | | Nomeidae |
|  | | Stromateidae |
|  | | Tetragonuridae |
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Syngnathiformes - trumpetfishes, pipefishes, seahorses
 | | Aulostomidae |
|  | | Centriscidae |
|  | | Fistulariidae |
|  | | Syngnathidae |
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Tetraodontiformes - teeth fused into bony chisels, tough leathery skin
 | | Balistidae |
|  | | Diodontidae |
|  | | Molidae |
|  | | Monacanthidae |
|  | | Ostraciidae |
|  | | Tetraodontidae |
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Trachinoidei -
 | | Ammodytidae |
|  | | Pholidichthyidae |
|  | | Pinguipedidae |
|  | | Trachinidae |
|  | | Uranoscopidae |
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Zeioidei -
 | | Zeidae |
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Zoarcoidei -
 | | Anarhichadidae |
|  | | Zoarcidae |
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