| Specimen ID | 267999 |
| Group | Mollusks-Gastropods |
| Genus | Potamopyrgus |
| Species | antipodarum |
| Common Name | New Zealand mudsnail |
| State | CA |
| County | Sacramento |
| Locality | American River, opposite hatchery [near Nimbus] |
| Mapping Accuracy | Accurate |
| HUC8 Name | Lower American |
| HUC8 Number | 18020111 |
| HUC10 Name | American River |
| HUC10 Number | 1802011102 |
| HUC12 Name | Upper American River |
| HUC12 Number | 180201110201 |
| Map | |
| Collection Day | 13 |
| Collection Month | 1 |
| Collection Year | 2010 |
| Year Accuracy | Actual |
| Potential Pathway | unknown |
| Status | established |
| Record Type | Personal communication |
| Freshwater/Marine | Freshwater |