| Specimen ID | 1633067 |
| Group | Mollusks-Gastropods |
| Genus | Potamopyrgus |
| Species | antipodarum |
| Common Name | New Zealand mudsnail |
| State | CA |
| County | Del Norte |
| Locality | Elk Creek at North and Front Streets, Crescent City |
| Mapping Accuracy | Accurate |
| HUC8 Name | Smith |
| HUC8 Number | 18010101 |
| HUC10 Name | Point Saint George-Frontal Pacific Ocean |
| HUC10 Number | 1801010105 |
| HUC12 Name | Elk Creek-Frontal Pacific Ocean |
| HUC12 Number | 180101010504 |
| Map | |
| Collection Day | 24 |
| Collection Month | 10 |
| Collection Year | 2019 |
| Year Accuracy | Actual |
| Potential Pathway | unknown |
| Status | established |
| Comments | Low to medium density. |
| Record Type | NAS sighting report |
| Verifier | California Dept. of Fish and WIldlife |
| Freshwater/Marine | Freshwater |
| Number Collected | 50 |
