Protognathus was a herbivore. It lived in the Unknown period and inhabited . Its fossils have been found in places such as Wales (United Kingdom).

All the Protognathus illustrations below were collected from the internet. Enjoy and explore:

Protognathus was described by the following scientific paper(s):
  • M. Mitchell, A. R. E. Strank, and B. M. Thornbury, G. D. Sevastopulo. 1986. The distribution of platform conodonts, corals, and foraminifera from the Black Rock Limestone (late Tournaisian and early Visean) of Tears Point, Gower, south Wales. Proceedings of the Yorkshire Geological Society 46:11-14