It is a member of the family Ericiolacertidae, along with the genus " Ericiolacerta " from South Africa and Antarctica.
2.
These multicusped teeth may have been adaptations for crushing food, although they are not as well developed as the teeth of other therocephalians like " Ericiolacerta ".
3.
The therocephalians reptiles with mammal-like heads were quite abundant in Permian times, but only a few made it into the Triassic . " Ericiolacerta " was one of those.
4.
Fossils have been found from the Fremouw Formation in the southern Transantarctic Mountains of Antarctica . " Pedaeosaurus " has traditionally been classified as a ericiolacertid closely related to " Ericiolacerta " ( also from the Fremouw Formation ).
5.
Characters that distinguish " Silphedosuchus " from " Ericiolacerta " include a narrow contact between the palatine and vomer bones on the roof of the mouth, a contact between the vomer and the maxilla that is positioned farther forward, and very wide buccal or cheek teeth.