| Gastropods from the Upper Pliocene Waucoba Lake Beds, Inyo County, California. Called scientifically Valvata sincera. Image courtesy Joanne Rosalie Rosaguera. |
| Gastropods from the Upper Pliocene Waucoba Lake Beds, Inyo County, California. Called scientifically Valvata sincera. Image courtesy Joanne Rosalie Rosaguera. |