| Specimen ID | 1877651 |
| Group | Mollusks-Gastropods |
| Genus | Potamopyrgus |
| Species | antipodarum |
| Common Name | New Zealand mudsnail |
| State | CA |
| County | Contra Costa |
| Locality | Marsh Creek |
| Mapping Accuracy | Accurate |
| HUC8 Name | San Joaquin Delta |
| HUC8 Number | 18040003 |
| HUC10 Name | Marsh Creek |
| HUC10 Number | 1804000307 |
| HUC12 Name | Lower Marsh Creek |
| HUC12 Number | 180400030702 |
| Map | |
| Collection Day | 27 |
| Collection Month | 12 |
| Collection Year | 2023 |
| Year Accuracy | Actual |
| Reference 1 |
| Ref. Number: | 45692 |
| Author: | California Department of Fish and Wildlife |
| Date: | 2024 |
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| Record Type | Literature |
| Verifier | California Department of Fish and Wildlife |
| Freshwater/Marine | Freshwater |
