Children (13 direct children, 13 direct and indirect children):
Otophidium omostigma
Polka-dot cusk-eel
Otophidium indefatigabile
Panamic cusk-eel
Otophidium dormitator
Sleeper cusk-eel
Otophidium chickcharney
Ghost cusk-eel
Otophidium asiro
Otophidium fulvum
Otophidium galeoides
Otophidium genyopus
Otophidium grayi
Otophidium omostigmum
Otophidium schmidti
Otophidium scrippsi
Otophidium smithi