| Specimen ID | 1633085 |
| Group | Mollusks-Gastropods |
| Genus | Potamopyrgus |
| Species | antipodarum |
| Common Name | New Zealand mudsnail |
| State | CA |
| County | San Mateo |
| Locality | Pilarcitos Creek |
| Mapping Accuracy | Accurate |
| HUC8 Name | San Francisco Coastal South |
| HUC8 Number | 18050006 |
| HUC10 Name | San Gregorio Creek-Frontal Pacific Ocean |
| HUC10 Number | 1805000602 |
| HUC12 Name | Arroyo Leon |
| HUC12 Number | 180500060201 |
| Map | |
| Collection Day | 10 |
| Collection Month | 5 |
| Collection Year | 2016 |
| Year Accuracy | Actual |
| Potential Pathway | unknown |
| Status | established |
| Record Type | NAS sighting report |
| Verifier | EOA, Inc. |
| Freshwater/Marine | Freshwater |
| Number Collected | 553 |
