Fishes
   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