Kingdom Animalia Linnaeus, 1758 - animals
   Phylum Craniata Linnaeus, 1758 see Subphylum Craniata auct.
     Pisces
       Class Actinopterygii Woodward, 1891 - ray-finned fishes see Clade Actinopterygii Woodward 1891 [Moore & Near 2020]
         01 Order Polypteriformes - bichirs
         02 Order Acipenseriformes Berg, 1940 - paddlefishes and sturgeons
         03 Order Lepisosteiformes Hay, 1929 - gars
         04 Order Amiiformes Huxley, 1861 - bowfins
         05 Order Osteoglossiformes Berg, 1940 - bonytongues
         06 Order Elopiformes Gosline, 1960 - tenpounders
         07 Order Albuliformes Greenwood et al., 1966 - bonefishes
         08 Order Notacanthiformes Goodrich, 1909 - halosaurs and deep-sea spiny eels
         09 Order Anguilliformes Berg, 1943 - eels
         10 Order Saccopharyngiformes - sackpharynx fishes see Suborder Anguilloidei
         11 Order Clupeiformes Goodrich, 1909 - herrings
         12 Order Gonorynchiformes Regan, 1909 - milkfishes
         13 Order Cypriniformes Bleeker, 1859 - carps, loaches, minnows, and relatives
         14 Order Characiformes Goodrich, 1909 - characins
         15 Order Siluriformes Bleeker, 1858 - catfishes
         16 Order Gymnotiformes Gill, 1872 - Neotropical knifefishes
         17 Order Esociformes Bleeker, 1859 - pikes and mudminnows see Suborder Esocoidei Regan, 1909
         18 Order Osmeriformes Regan, 1913 - freshwater smelts
         19 Order Salmoniformes Bleeker, 1859 - trout, salmon, and whitefish
         20 Order Stomiiformes Rosen, 1973 - dragonfishes
         21 Order Ateleopodiformes Berg, 1937 - jellynose fishes
         22 Order Aulopiformes Rosen, 1973 - lizardfishes
         23 Order Myctophiformes Regan, 1911 - lanternfishes
         24 Order Lampriformes - opahs
         25 Order Polymixiiformes Lowe, 1838 - beardfishes
         26 Order Percopsiformes Berg, 1937 - trout-perches
         27 Order Gadiformes Goodrich, 1909 - cods and hakes
         28 Order Ophidiiformes Regan, 1912 - cusk-eels
         29 Order Batrachoidiformes Berg, 1937 - toadfishes
         30 Order Lophiiformes Garman, 1899 - anglerfishes
         31 Order Gobiesociformes Gill, 1872 - clingfishes see Suborder Gobiesocoidei Bertin & Arambourg, 1958
         32 Order Atheriniformes Rosen, 1964 - silversides
         33 Order Cyprinodontiformes Berg, 1940 - killifishes
         34 Order Beloniformes Berg, 1937 - needlefishes
         35 Order Stephanoberyciformes Berg, 1937 - pricklefishes see Suborder Stephanoberycoidei
         36 Order Beryciformes Günther, 1880 - beryciforms
         37 Order Cetomimiformes see Superfamily Cetomimoidea Goode & Bean, 1895
         38 Order Zeiformes Jordan, 1905 - dories
         39 Family Elassomatidae Jordan, 1877 - pygmy sunfishes
         40 Order Gasterosteiformes Gill, 1872 - sticklebacks see Infraorder Gasterosteales
         41 Order Syngnathiformes Berg, 1940 - pipefishes and seahorses
         42 Order Synbranchiformes - swamp eels
         43 Order Scorpaeniformes Bloch, 1789 - mail-cheeked fishes see Order Perciformes Bleeker, 1859
         44 Order Perciformes Bleeker, 1859 - perches
         45 Order Pleuronectiformes Bleeker, 1859 - flatfishes see Suborder Pleuronectoidei
         46 Order Tetraodontiformes Berg, 1937 - plectognaths