Genus Somniosus

Pacific sleeper shark - The Pacific sleeper shark, Somniosus pacificus, is a sleeper shark of the family Somniosidae, found circumglobally on continental shelves and slopes in temperate waters between latitudes 70°N and 47°S, from the surface to 2,000 metres .

Little sleeper shark - The little sleeper shark, Somniosus rostratus, is a sleeper shark of the family Somniosidae found in the northeast Atlantic, western Mediterranean, and western Pacific around New Zealand, at depths of between 200 and 1,000 m.

Order : Squaliformes
Family : Somniosidae
Genus : Somniosus