| Specimen ID | 1523822 |
| Group | Mollusks-Gastropods |
| Genus | Potamopyrgus |
| Species | antipodarum |
| Common Name | New Zealand mudsnail |
| State | WA |
| County | Lewis |
| Locality | Cowlitz River, mouth of fish discharge channel into Cowlitz River |
| Mapping Accuracy | Accurate |
| HUC8 Name | Lower Cowlitz |
| HUC8 Number | 17080005 |
| HUC10 Name | Jackson Prairie-Cowlitz River |
| HUC10 Number | 1708000503 |
| HUC12 Name | Mill Creek-Cowlitz River |
| HUC12 Number | 170800050301 |
| Map | |
| Collection Day | 27 |
| Collection Month | 4 |
| Collection Year | 2018 |
| Year Accuracy | Actual |
| Potential Pathway | unknown |
| Status | established |
| Record Type | Personal communication |
| Verifier | E. Johannes, Deixis Consultants |
| Freshwater/Marine | Freshwater |
