| Specimen ID | 275871 |
| Group | Mollusks-Gastropods |
| Genus | Potamopyrgus |
| Species | antipodarum |
| Common Name | New Zealand mudsnail |
| State | OR |
| County | Tillamook |
| Locality | Hall Slough, 1/4 mi downstream of Goodspeed Road N bridge crossing |
| Mapping Accuracy | Accurate |
| HUC8 Name | Wilson-Trusk-Nestuccu |
| HUC8 Number | 17100203 |
| HUC10 Name | Tillamook Bay-Frontal Pacific Ocean |
| HUC10 Number | 1710020308 |
| HUC12 Name | Tillamook Bay-Frontal Pacific Ocean |
| HUC12 Number | 171002030800 |
| Map | |
| Collection Day | 17 |
| Collection Month | 5 |
| Collection Year | 2011 |
| Year Accuracy | Actual |
| Potential Pathway | unknown |
| Status | established |
| Record Type | NAS sighting report |
| Freshwater/Marine | Freshwater |
