| Specimen ID | 1633868 |
| Group | Mollusks-Gastropods |
| Genus | Potamopyrgus |
| Species | antipodarum |
| Common Name | New Zealand mudsnail |
| State | CA |
| County | Marin |
| Locality | Lagunitas Creek in Samuel P. Taylor State Park campground. |
| Mapping Accuracy | Accurate |
| HUC8 Name | Tomales-Drake Bays |
| HUC8 Number | 18050005 |
| HUC10 Name | Lagunitas Creek |
| HUC10 Number | 1805000501 |
| HUC12 Name | San Geronimo Creek-Lagunitas Creek |
| HUC12 Number | 180500050103 |
| Map | |
| Collection Day | 31 |
| Collection Month | 7 |
| Collection Year | 2019 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker | dispersed |
| Status | established |
| Record Type | NAS sighting report |
| Verifier | Wesley Daniel (USGS) |
| Freshwater/Marine | Freshwater |
| Number Collected | 100 |
| Photo | |
