Wikipedia
Diploceraspis
Diploceraspis was a lepospondyl amphibian. It lived in Ohio and West Virginia during the Permian period. It closely resembles its relative, Diplocaulus. It generally sports the same features as Diplocaulus, though it was smaller, measuring over 46 cm. Beerbower originally recognised two species, D.burkei and D.conemaughensis, but they are no longer regarded as being distinct as their size ranges were found to overlap, leaving D.burkei as the only known species.