| Specimen ID | 1680069 |
| Group | Mollusks-Gastropods |
| Genus | Potamopyrgus |
| Species | antipodarum |
| Common Name | New Zealand mudsnail |
| State | WA |
| County | Snohomish |
| Locality | Unnamed Tributary to Ebey Slough |
| Mapping Accuracy | Accurate |
| HUC8 Name | Snohomish |
| HUC8 Number | 17110011 |
| HUC10 Name | Quilceda Creek-Frontal Possession Sound |
| HUC10 Number | 1711001102 |
| HUC12 Name | Snohomish River-Frontal Possession Sound |
| HUC12 Number | 171100110203 |
| Map | |
| Collection Day | 14 |
| Collection Month | 7 |
| Collection Year | 2021 |
| Year Accuracy | Actual |
| Potential Pathway | dispersed | hitch hiker |
| Status | established |
| Record Type | Personal communication |
| Verifier | Rhithron Associates, Inc. |
| Freshwater/Marine | Freshwater |
| Number Collected | 2 |
