| Specimen ID | 903005 |
| Group | Mollusks-Gastropods |
| Genus | Potamopyrgus |
| Species | antipodarum |
| Common Name | New Zealand mudsnail |
| State | CA |
| County | Del Norte |
| Locality | Klamath River at mouth, off Klamath Beach Rd |
| Mapping Accuracy | Accurate |
| HUC8 Name | Lower Klamath |
| HUC8 Number | 18010209 |
| HUC10 Name | Turwar Creek-Klamath River |
| HUC10 Number | 1801020911 |
| HUC12 Name | McGarvey Creek-Klamath River |
| HUC12 Number | 180102091103 |
| Map | |
| Collection Day | 14 |
| Collection Month | 10 |
| Collection Year | 2015 |
| Year Accuracy | Actual |
| Potential Pathway | unknown |
| Status | unknown |
| Comments | "medium to low densities" |
| Record Type | NAS sighting report |
| Freshwater/Marine | Freshwater |
