Myosaurus

Myosaurus is an extinct genus of dicynodont found primarily in Antarctica and South Africa.

History
The Family Myosauridae is known only from fossilized skull specimens, the family was distinguished from other families in the infraorder Dicynodontia by the larger breadth of the skull samples intertemporal region. The Myosaurus used to be a member of the family Endothiodontidae but was placed in its own family after further investigation.