| Specimen ID | 160866 |
| Group | Mollusks-Gastropods |
| Genus | Potamopyrgus |
| Species | antipodarum |
| Common Name | New Zealand mudsnail |
| State | CA |
| County | San Joaquin |
| Locality | Calaveras River in Bellota, CA (bridge near intersection of of Rt. 26 and Escalon Bellota Rd.) |
| Mapping Accuracy | Accurate |
| HUC8 Name | San Joaquin Delta |
| HUC8 Number | 18040003 |
| HUC10 Name | Mormon Slough |
| HUC10 Number | 1804000303 |
| HUC12 Name | McLeod Lake-Mormon Slough |
| HUC12 Number | 180400030303 |
| Map | |
| Collection Day | 22 |
| Collection Month | 1 |
| Collection Year | 2004 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker |
| Status | established |
| Record Type | Personal communication |
| Earliest Record | locale |
| Verifier | California Dept. of Fish and Game |
| Freshwater/Marine | Freshwater |
