Eptatretus
Eptatretus est magna genus familiae Myxinidarum.

Species 
 Eptatretus bischoffii (Schneider, 1880)
 Eptatretus burgeri (Girard, 1855)
 Eptatretus caribbeaus Fernholm, 1982
 Eptatretus carlhubbsi (McMillan and Wisner, 1984)
 Eptatretus chinensis Kuo and Mok, 1994
 Eptatretus cirrhatus (Forster, 1801)
 Eptatretus deani (Evermann & Goldsborough, 1907)
 Eptatretus eos Fernholm, 1991
 Eptatretus fernholmi McMillan & Wisner, 2004
 Eptatretus fritzi Wisner & McMillan, 1990
 Eptatretus goliath Mincarone & Stewart, 2006
 Eptatretus grouseri McMillan, 1999
 Eptatretus hexatrema (Müller, 1836)
 Eptatretus indrambaryai Wongratana, 1983
 Eptatretus lakeside Mincarone & McCosker, 2004
 Eptatretus laurahubbsae McMillan and Wisner, 1984
 Eptatretus longipinnis Strahan, 1975
 Eptatretus lopheliae Fernholm & Quattrini, 2008

Myxinidae