| Specimen ID | 290711 |
| Group | Mollusks-Gastropods |
| Genus | Potamopyrgus |
| Species | antipodarum |
| Common Name | New Zealand mudsnail |
| State | CA |
| County | Humboldt |
| Locality | Stone Lagoon, along shoreline |
| Mapping Accuracy | Accurate |
| HUC8 Name | Mad-Redwood |
| HUC8 Number | 18010102 |
| HUC10 Name | Big Lagoon-Frontal Pacific Ocean |
| HUC10 Number | 1801010205 |
| HUC12 Name | Luffenholtz Creek-Frontal Pacific Ocean |
| HUC12 Number | 180101020503 |
| Map | |
| Collection Day | 5 |
| Collection Month | 7 |
| Collection Year | 2011 |
| Year Accuracy | Actual |
| Potential Pathway | unknown |
| Status | established |
| Record Type | NAS sighting report |
| Freshwater/Marine | Freshwater |
