Peratherium is a genus of metatherian mammals in the family Herpetotheriidae that lived in Europe and Africa from the Early Eocene to the Early Miocene. Species include the following:Peratherium africanum Peratherium antiquum Peratherium bretouense Peratherium cayluxi Peratherium constans Peratherium cuvieri Peratherium elegans Peratherium lavergnense Peratherium matronense Peratherium monspeliense Peratherium perrierense Peratherium sudrei