| Specimen ID | 160867 |
| Group | Mollusks-Gastropods |
| Genus | Potamopyrgus |
| Species | antipodarum |
| Common Name | New Zealand mudsnail |
| State | CA |
| County | Napa |
| Locality | Napa River [just S of Napa] |
| Mapping Accuracy | Accurate |
| HUC8 Name | San Pablo Bay |
| HUC8 Number | 18050002 |
| HUC10 Name | San Pablo Bay |
| HUC10 Number | 1805000208 |
| HUC12 Name | San Pablo Bay Estuaries |
| HUC12 Number | 180500020801 |
| Map | |
| Collection Day | 17 |
| Collection Month | 7 |
| Collection Year | 2004 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker |
| Status | established |
| Comments | Reported to US Fish and Wildlife Service by California Dept. Fish and Game. Also in MSU database. |
| Record Type | Personal communication |
| Earliest Record | locale |
| Freshwater/Marine | Freshwater |
