| Specimen ID | 644248 |
| Group | Mollusks-Gastropods |
| Genus | Potamopyrgus |
| Species | antipodarum |
| Common Name | New Zealand mudsnail |
| State | WA |
| County | Grays Harbor |
| Locality | Chehalis River, Blue Slough on south side of spring at Blue Slough access area, ca. 1.13 miles from west mouth |
| Mapping Accuracy | Accurate |
| HUC8 Name | Lower Chehalis |
| HUC8 Number | 17100104 |
| HUC10 Name | Cloquallam Creek-Chehalis River |
| HUC10 Number | 1710010404 |
| HUC12 Name | Elliot Slough-Chehalis River |
| HUC12 Number | 171001040407 |
| Map | |
| Collection Day | 18 |
| Collection Month | 12 |
| Collection Year | 2013 |
| Year Accuracy | Actual |
| Potential Pathway | unknown |
| Status | unknown |
| Reference 1 |
| Ref. Number: | 26733 |
| Author: | Johannes, E.J. |
| Date: | 2013 |
| Title: | Survey for Potamopyrgus antipodarum (New Zealand mudsnail) in the Chehalis River Surge Plain Area Preserve, Grays Harbor County, Washington. Final report for Contract #SC 14-144, Washington State Department of Natural Resources. |
| Publisher: | Deixis Consultants |
| Pages: | 61 pp |
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| Record Type | Literature |
| Verifier | Edward Johannes, Deixis Consultants |
| Freshwater/Marine | Freshwater |
