| Specimen ID | 1687216 |
| Group | Mollusks-Gastropods |
| Genus | Cipangopaludina |
| Species | sp. |
| Common Name | mysterysnail |
| State | MD |
| County | Charles |
| Locality | Mattawoman Creek, Smallwood State Park, Maryland |
| Mapping Accuracy | Accurate |
| HUC8 Name | Lower Potomac |
| HUC8 Number | 02070011 |
| HUC10 Name | Quantico Creek-Potomac River |
| HUC10 Number | 0207001101 |
| HUC12 Name | Marbury Run-Mattawoman Creek |
| HUC12 Number | 020700110102 |
| Map | |
| Collection Day | 14 |
| Collection Month | 12 |
| Collection Year | 2021 |
| Year Accuracy | Actual |
| Potential Pathway | dispersed | hitch hiker |
| Status | established |
| Comments | Specimen could be Cipangopaludina
chinensis or japonica, as there appear to be 6 whorls and a spire that is medium in height to shell width |
| Record Type | NAS sighting report |
| Verifier | C. Morningstar, USGS; S. Muller, MD |
| Freshwater/Marine | Freshwater |
| Number Collected | 3 |
| Size | 2in+ |
| Photo | |
