| Specimen ID | 264461 |
| Group | Mollusks-Gastropods |
| Genus | Potamopyrgus |
| Species | antipodarum |
| Common Name | New Zealand mudsnail |
| State | WA |
| County | Thurston |
| Locality | Capitol Lake, Marathon Park in Olympia, at a small dock |
| Mapping Accuracy | Accurate |
| HUC8 Name | Deschutes |
| HUC8 Number | 17110016 |
| HUC10 Name | Lower Deschutes River |
| HUC10 Number | 1711001602 |
| HUC12 Name | Deschutes River-Capitol Lake |
| HUC12 Number | 171100160202 |
| Map | |
| Collection Day | 22 |
| Collection Month | 10 |
| Collection Year | 2009 |
| Year Accuracy | Actual |
| Potential Pathway | unknown |
| Status | established |
| Comments | Collected in shallow water (<10 cm), attached to an empty Anodonta shell. |
| Record Type | Personal communication |
| Earliest Record | drainage |
| Verifier | Edward J. Johannes; Deixis Consultants |
| Freshwater/Marine | Freshwater |
| Number Collected | 5 |
