| Specimen ID | 615172 |
| Group | Mollusks-Gastropods |
| Genus | Potamopyrgus |
| Species | antipodarum |
| Common Name | New Zealand mudsnail |
| State | CA |
| County | San Luis Obispo |
| Locality | Nacimiento River, from the confluence with the Salinas River upstream to approximately 4.0 km below the dam |
| Mapping Accuracy | Accurate |
| HUC8 Name | Salinas |
| HUC8 Number | 18060005 |
| HUC10 Name | Nacimiento River |
| HUC10 Number | 1806000506 |
| HUC12 Name | 180600050611-Nacimiento River |
| HUC12 Number | 180600050611 |
| Map | |
| Collection Day | 15 |
| Collection Month | 10 |
| Collection Year | 2013 |
| Year Accuracy | Actual |
| Potential Pathway | unknown |
| Status | established |
| Record Type | Personal communication |
| Freshwater/Marine | Freshwater |