Rhopalodontidae is a family of

tapinocephalia The Tapinocephalia are one of the major groups of dinocephalian therapsids and the major herbivorous group. Tapinocephalia has been found to consist of three clades: Styracocephalidae, Titanosuchidae, and the very successful Tapinocephalidae. ...

n therapsids from the Middle Permian.

References

Dinocephalia Prehistoric therapsid families Permian first appearances Permian extinctions {{paleo-therapsid-stub