| Specimen ID | 52734 |
| Group | Mollusks-Gastropods |
| Genus | Potamopyrgus |
| Species | antipodarum |
| Common Name | New Zealand mudsnail |
| State | MT |
| County | Park |
| Locality | Yellowstone River downstream of its confluence the Gardner River |
| Mapping Accuracy | Accurate |
| HUC8 Name | Yellowstone Headwaters |
| HUC8 Number | 10070001 |
| HUC10 Name | Gardner River-Yellowstone River |
| HUC10 Number | 1007000109 |
| HUC12 Name | Reese Creek-Yellowstone River |
| HUC12 Number | 100700010907 |
| Map | |
| Collection Day | 22 |
| Collection Month | 8 |
| Collection Year | 2000 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker |
| Status | established |
| Comments | Densities high; Pers. comm. with David Richards (doctoral student at MSU) 8/22/2000. |
| Record Type | Personal communication |
| Verifier | David Richards, Montana State University, Bozeman |
| Freshwater/Marine | Freshwater |
