| Specimen ID | 547318 |
| Group | Mollusks-Gastropods |
| Genus | Potamopyrgus |
| Species | antipodarum |
| Common Name | New Zealand mudsnail |
| State | WA |
| County | King |
| Locality | Lake Washington near Matthews Beach Park |
| Mapping Accuracy | Accurate |
| HUC8 Name | Lake Washington |
| HUC8 Number | 17110012 |
| HUC10 Name | Lower Sammamish River |
| HUC10 Number | 1711001204 |
| HUC12 Name | Lake Washington-Sammamish River |
| HUC12 Number | 171100120400 |
| Map | |
| Collection Day | 20 |
| Collection Month | 7 |
| Collection Year | 2011 |
| Year Accuracy | Actual |
| Potential Pathway | unknown |
| Status | established |
| Comments | Water depth = 0.5 m |
| Record Type | Personal communication |
| Freshwater/Marine | Freshwater |
| Number Collected | 6.5/m2 |
