Subject ASC0003sxr
The geological magazine, or, Monthly journal of geology.
Decade 2:v.8 (1881), Page 278 (1881)
Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
BHL Page 32519537
Keywords
fossil leptospondyl amphibian Ophiderpeton granulosun Fritsch Ophiderpeton granulosum vertebra amphibian bone