| Specimen ID | 52633 |
| Group | Mollusks-Gastropods |
| Genus | Potamopyrgus |
| Species | antipodarum |
| Common Name | New Zealand mudsnail |
| State | WY |
| Locality | Madison River in Yellowstone National Park |
| Mapping Accuracy | Approximate |
| HUC8 Name | Madison |
| HUC8 Number | 10020007 |
| Map | |
| Collection Year | 1996 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker |
| Status | established |
| Comments | See Nuisance Notes Western Update No. 2, published by the Western States Zebra Mussel Task Force. |
| Record Type | Personal communication |
| Freshwater/Marine | Freshwater |