| Specimen ID | 276649 |
| Group | Mollusks-Gastropods |
| Genus | Potamopyrgus |
| Species | antipodarum |
| Common Name | New Zealand mudsnail |
| State | CA |
| County | Tehama |
| Locality | Sacramento River at the Red Bluff River Park Public Fishing Access (approx. river mile 245), approx. 100 meters downstream from the boat launch ramp |
| Mapping Accuracy | Accurate |
| HUC8 Name | Paynes Creek-Sacramento River |
| HUC8 Number | 18020155 |
| HUC10 Name | Dibble Creek-Sacramento River |
| HUC10 Number | 1802015504 |
| HUC12 Name | Sevenmile Creek-Sacramento River |
| HUC12 Number | 180201550405 |
| Map | |
| Collection Day | 13 |
| Collection Month | 10 |
| Collection Year | 2010 |
| Year Accuracy | Actual |
| Potential Pathway | unknown |
| Status | established |
| Record Type | NAS sighting report |
| Verifier | Doug Post - CA Dept of Fish and Game |
| Freshwater/Marine | Freshwater |
| Number Collected | 6 |
