MolluscaBase source request
You have requested access to download the full text of the source (SourceID: 301428):
Yen, T.-C. (1952). Molluscan Fauna of the Morrison Formation. United States Geological Survey Professional Paper. 233-B: 21-51.
Yen, T.-C. (1952). Molluscan Fauna of the Morrison Formation. United States Geological Survey Professional Paper. 233-B: 21-51.
