| Fossil freshwater pelecypod, genus Anodonta sp. from the Upper Pleistocene Sehoo Formation, Nevada; specimen is roughly 20,000 years old. Actual size of specimen is 62mm across. |
| Fossil freshwater pelecypod, genus Anodonta sp. from the Upper Pleistocene Sehoo Formation, Nevada; specimen is roughly 20,000 years old. Actual size of specimen is 62mm across. |