Synaphobranchidae
Ilyophis arx Robins, 1976
Ilyophis blachei Saldanha & Merrett, 1982
Ilyophis brunneus Gilbert, 1891
Ilyophis nigeli Shcherbachev & Sulak, 1997
Ilyophis robinsae Sulak & Shcherbachev, 1997
Ilyophis saldanhai Karmovskaya & Parin, 1999
Leptocephalus rostratus Schmidt, 1909