MolluscaBase source request
You have requested access to download the full text of the source (SourceID: 507989):
Newell, N. D. (1940). Invertebrate fauna of the Late Permian Whitehorse sandstone. Bulletin of the Geological Society of America. 51(2): 261-336.
Newell, N. D. (1940). Invertebrate fauna of the Late Permian Whitehorse sandstone. Bulletin of the Geological Society of America. 51(2): 261-336.