Family Pristiophoridae Bleeker 1859

Pristiophoroidei Bleeker 1859d:XII [ref. 371] (family) Pristiophorus

Pliotremidae Jordan 1923a:101 [ref. 2421] (family) Pliotrema [stem corrected to Pliotremat- by Fowler 1947:13 [ref. 1458]]