| Specimen ID | 543600 |
| Group | Mollusks-Gastropods |
| Genus | Potamopyrgus |
| Species | antipodarum |
| Common Name | New Zealand mudsnail |
| State | CA |
| County | Merced |
| Locality | Merced River [N of Merced] |
| Mapping Accuracy | Accurate |
| HUC8 Name | Upper Merced |
| HUC8 Number | 18040008 |
| HUC10 Name | Ingalsbe Slough-Merced River |
| HUC10 Number | 1804000808 |
| HUC12 Name | Ingalsbe Slough-Merced River |
| HUC12 Number | 180400080802 |
| Map | |
| Collection Day | 26 |
| Collection Month | 3 |
| Collection Year | 2013 |
| Year Accuracy | Actual |
| Potential Pathway | unknown |
| Status | unknown |
| Comments | See voucher photo. |
| Record Type | Personal communication |
| Freshwater/Marine | Freshwater |
| Number Collected | 5 |
| Photo | |
