Genus Pliotrema

Sixgill sawshark - The sixgill sawshark, Pliotrema warreni, the only member of the genus Pliotrema, is a sawshark of the family Pristiophoridae, found in the subtropical waters of the western Indian Ocean between latitudes 23° S and 37° S, at depths of between 60 and 430 m.

Order : Pristiophoriformes
Family : Pristiophoridae
Genus : Pliotrema