Greererpeton burkemorani, skull, large cast replica.

Greererpeton is an extinct genus of temnospondyl amphibian from the Mauch Chunk Formation, Mississippian age. In life it was about 1.50 m (5 ft) long. Several complete skeletons were discovered in the late 1960's at a limestone quarry at Greer, West Virginia. It was described as a new genus and new species. Greererpeton was a highly elongated creature adapted for swimming. Its body had 40 vertebrae, twice as much as average, and a flattened skull of about 18 cm (7 in) long. The limbs were short and mainly used to steer the creature as it was propelled by its long tail. Some marks on the side of the skull indicate that Greererpeton had a lateral line, a sensory organ commonly found in fish. This showed that it was still a primitive amphibian. Its ears were poorly developed.