Phylum Chordata Bateson, 1885 - chordates
Count: -
   Subphylum Vertebrata Cuvier, 1812 - vertebrates
  Count: -
     Pisces
    Count: [*] 5c58o469f; †4c41o87f
       Class Actinopterygii Woodward, 1891 - ray-finned fishes
      Count: -
         Order Acipenseriformes Berg, 1940 - sturgeons
        Count: -
         Order Albuliformes Greenwood et al., 1966 - bonefishes
        Count: -
         Order Amiiformes Hay, 1829 - bowfins
        Count: -
         Order Anguilliformes Rafinesque, 1810 - eels
        Count: -
         Order †Aspidorhynchiformes Bleeker, 1859
        Count: -
         Order Atheriniformes Rosen, 1964 - silversides
        Count: [*] 2f
         Order Aulopiformes Rosen, 1973 - lizardfishes
        Count: -
         Order Batrachoidiformes Berg, 1937 - toadfishes
        Count: [*] 1f
         Order Beloniformes Berg, 1937 - needlefishes
        Count: -
         Order Beryciformes Günther, 1880 - alfonso squirrelfishes
        Count: [*] 12f; †6f
         Order Cetomimiformes see Superfamily Cetomimoidea
        Count: [*] 3f
         Order Characiformes Goodrich, 1909 - characins
        Count: -
         Order Clupeiformes Rafinesque, 1810 - herrings
        Count: -
         Order Ctenothrissiformes Patterson, 1964
        Count: -
         Order Cypriniformes Rafinesque, 1810 - carps
        Count: -
         Order Cyprinodontiformes Berg, 1940 - killifishes
        Count: [*] 5f
         Order †Dorypteriformes Cope, 1871
        Count: -
         Order †Ellimmichthyiformes Grande, 1982
        Count: -
         Order Elopiformes Gosline, 1960 - tenpounders
        Count: -
         Order Gadiformes Rafinesque, 1810 - cods
        Count: [*] 10f; †1f
         Order Gasterosteiformes Gill, 1872 - sticklebacks
        Count: [*] 4f
         Order Gobiesociformes Gill, 1872
        Count: [*] 1f
         Order Gonorynchiformes Regan, 1909 - milkfishes
        Count: -
         Order Gymnotiformes Rafinesque, 1810 - American knifefishes
        Count: -
         Order †Haplolepidiformes
        Count: -
         Order †Ichthyodectiformes Bardack & Sprinkle, 1969
        Count: -
         Order Lampriformes - opahs see Order Lampridiformes Goodrich, 1909, orth. inval.
        Count: [*] 10f; †1f
         Order Lepisosteiformes Hay, 1929 - gars
        Count: -
         Order †Leptolepidiformes
        Count: -
         Order Lophiiformes Rafinesque, 1810 - anglerfishes
        Count: [*] 18f
         Order †Luganoiiformes Lehman, 1958
        Count: -
         Order †Macrosemiiformes
        Count: -
         Order Myctophiformes Regan, 1911 - lanternfishes
        Count: -
         Order Notacanthiformes Goodrich, 1909 - spiny eels
        Count: -
         Order Ophidiiformes Rafinesque, 1810 - cusk-eels
        Count: [*] 4f
         Order Osteoglossiformes Berg, 1940 - bonytongues
        Count: -
         Order †Pachycormiformes Berg, 1940
        Count: -
         Order †Palaeonisciformes Jarvik, 1961
        Count: -
         Order †Pattersonichthyiformes
        Count: -
         Order †Peltopleuriformes
        Count: -
         Order Perciformes Rafinesque, 1810 - perches
        Count: [*] 154f; †6f
         Order Percopsiformes Berg, 1937 - trout-perches
        Count: [*] 3f; †1f
         Order †Perleidiformes Berg, 1937
        Count: -
         Order †Phanerorhynchiformes
        Count: -
         Order †Pholidophoriformes
        Count: -
         Order †Pholidopleuriformes
        Count: -
         Order Pleuronectiformes Bleeker, 1859 - flatfishes
        Count: [*] 10f
         Order Polypteriformes - bichirs
        Count: -
         Order †Ptycholepiformes Andrews et al., 1967
        Count: -
         Order †Pycnodontiformes Berg, 1937
        Count: -
         Order †Redfieldiiformes Berg, 1940
        Count: -
         Order Saccopharyngiformes - sackpharynx fishes see Suborder Saccopharyngoidei
        Count: -
         Order Salmoniformes Rafinesque, 1810 - trouts
        Count: -
         Order †Saurichthyiformes Aldinger, 1937
        Count: -
         Order Scorpaeniformes Bloch, 1789 - mail-cheeked fishes
        Count: [*] 22f
         Order †Semionotiformes Aramboug & Bertin, 1958
        Count: -
         Order Siluriformes Rafinesque, 1810 - catfishes
        Count: -
         Order Stomiiformes Rosen, 1973 - dragonfishes see Order Stomiatiformes Rosen, 1973, orth. inval.
        Count: -
         Order Synbranchiformes - swamp eels
        Count: [*] 3f
         Order Syngnathiformes Berg, 1940 see Suborder Syngnathoidei
        Count: [*] 5f; †3f
         Order †Tarrasiiformes
        Count: -
         Order Tetraodontiformes Berg, 1937 - plectognaths
        Count: [*] 9f; †1f
         Order Zeiformes Rafinesque, 1810 - dories
        Count: [*] 6f