Fishes
   Class Actinopterygii Woodward, 1891 - ray-finned fishes see Clade Actinopterygii Woodward 1891 [Moore & Near 2020]
     Order Anguilliformes Berg, 1943 - eels
       01 Family Anguillidae Rafinesque, 1810 - freshwater eels
       02 Family Heterenchelyidae Regan, 1912 - mud eels
       03 Family Moringuidae Gill, 1885 - spaghetti eels
       04 Family Chlopsidae Rafinesque, 1815 - false morays
       05 Family Myrocongridae Gill, 1890 - myroconger eels
       06 Family Muraenidae Rafinesque, 1815 - moray eels
       07 Family Synaphobranchidae Johnson, 1862 - cutthroat eels
       08 Family Ophichthidae Günther, 1870 - snake eels and worm eels
       09 Family Colocongridae Smith, 1976 - shorttail eels
       10 Family Congridae Kaup, 1856 - conger eels
       11 Family Muraenesocidae Kaup, 1859 - pike conger eels
       12 Family Derichthyidae Gill, 1884 - longneck eels
       13 Family Nemichthyidae Kaup, 1859 - snipe eels
       14 Family Serrivomeridae Trewavas, 1932 - sawtooth eels
       15 Family Nettastomatidae Kaup, 1859 - duckbill eels