| Specimen ID | 256592 |
| Group | Mollusks-Gastropods |
| Genus | Potamopyrgus |
| Species | antipodarum |
| Common Name | New Zealand mudsnail |
| State | OR |
| County | Clatsop |
| Locality | Lewis and Clark River, River Mile 5, Lewis and Clark National Historical Park [just SE of Warrenton] |
| Mapping Accuracy | Accurate |
| HUC8 Name | Lower Columbia |
| HUC8 Number | 17080006 |
| HUC10 Name | Youngs River-Frontal Columbia River |
| HUC10 Number | 1708000602 |
| HUC12 Name | Lower Lewis And Clark River |
| HUC12 Number | 170800060207 |
| Map | |
| Collection Day | 9 |
| Collection Month | 10 |
| Collection Year | 2008 |
| Year Accuracy | Actual |
| Potential Pathway | unknown |
| Status | unknown |
| Record Type | NAS sighting report |
| Freshwater/Marine | Freshwater |
