Fishes
   Class Actinopterygii Woodward, 1891 - ray-finned fishes
     01 Order Polypteriformes - bichirs
     02 Order Acipenseriformes Berg, 1940 - sturgeons
     03 Order Lepisosteiformes Hay, 1929 - gars
     04 Order Amiiformes Hay, 1829 - 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 - spiny eels
     09 Order Anguilliformes Rafinesque, 1810 - eels
     10 Order Saccopharyngiformes - sackpharynx fishes see Suborder Saccopharyngoidei
     11 Order Clupeiformes Rafinesque, 1810 - herrings
     12 Order Gonorynchiformes Regan, 1909 - milkfishes
     13 Order Cypriniformes Rafinesque, 1810 - carps
     14 Order Characiformes Goodrich, 1909 - characins
     15 Order Siluriformes Rafinesque, 1810 - catfishes
     16 Order Gymnotiformes Rafinesque, 1810 - American knifefishes
     17 Order Esociformes Rafinesque, 1810 - pikes see Suborder Esocoidei Rafinesque, 1810
     18 Order Osmeriformes - freshwater smelts see Suborder Osmeroidei
     19 Order Salmoniformes Rafinesque, 1810 - trouts
     20 Order Stomiiformes Rosen, 1973 - dragonfishes see Order Stomiatiformes Rosen, 1973, orth. inval.
     21 Order Ateleopodiformes Berg, 1937 - jellynose fishes
     22 Order Aulopiformes Rosen, 1973 - lizardfishes
     23 Order Myctophiformes Regan, 1911 - lanternfishes
     24 Order Lampriformes - opahs see Order Lampridiformes Goodrich, 1909, orth. inval.
     25 Order Polymixiiformes Lowe, 1838 - beardfishes
     26 Order Percopsiformes Berg, 1937 - trout-perches
     27 Order Gadiformes Rafinesque, 1810 - cods
     28 Order Ophidiiformes Rafinesque, 1810 - cusk-eels
     29 Order Batrachoidiformes Berg, 1937 - toadfishes
     30 Order Lophiiformes Rafinesque, 1810 - anglerfishes
     31 Order Gobiesociformes Gill, 1872
     32 Order Atheriniformes Rosen, 1964 - silversides
     33 Order Cyprinodontiformes Berg, 1940 - killifishes
     34 Order Beloniformes Berg, 1937 - needlefishes
     35 Order Stephanoberyciformes Berg, 1937 - pricklefishes
     36 Order Beryciformes Günther, 1880 - alfonso squirrelfishes
     37 Order Cetomimiformes see Superfamily Cetomimoidea
     38 Order Zeiformes Rafinesque, 1810 - dories
     39 Family Elassomatidae - pygmy sunfishes
     40 Order Gasterosteiformes Gill, 1872 - sticklebacks
     41 Order Syngnathiformes Berg, 1940 see Suborder Syngnathoidei
     42 Order Synbranchiformes - swamp eels
     43 Order Scorpaeniformes Bloch, 1789 - mail-cheeked fishes
     44 Order Perciformes Rafinesque, 1810 - perches
     45 Order Pleuronectiformes Bleeker, 1859 - flatfishes
     46 Order Tetraodontiformes Berg, 1937 - plectognaths