Kingdom Animalia Linnaeus, 1758 - animals
Phylum Craniata Linnaeus, 1758
see Subphylum Vertebrata Cuvier, 1812
Pisces
Class Actinopterygii Woodward, 1891 - ray-finned fishes
Order Anguilliformes Rafinesque, 1810 - eels
01 Family Anguillidae Rafinesque, 1815 - freshwater eels
02 Family Heterenchelyidae Regan, 1912
03 Family Moringuidae Gill, 1885 - spaghetti eels
04 Family Chlopsidae Rafinesque, 1815 - false morays
05 Family Myrocongridae Gill, 1890
06 Family Muraenidae Rafinesque, 1815 - morays
07 Family Synaphobranchidae Johnson, 1862 - cutthroat eels
08 Family Ophichthidae Günther, 1870 - snake eels and worm eels
09 Family Colocongridae Smith, 1976
10 Family Congridae Kaup, 1856 - conger eels
11 Family Muraenesocidae Kaup, 1859 - pike conger eels
12 Family Derichthyidae - longneck eels
13 Family Nemichthyidae Kaup, 1859 - snipe eels
14 Family Serrivomeridae Trewavas, 1932 - sawtooth eels
15 Family Nettastomatidae Kaup, 1859 - duckbill eels