Specimen ID | Common Name | State | County | Locality | Year |
| Drainage name | Status |
1687216
| mysterysnail | MD | Charles | Mattawoman Creek, Smallwood State Park, Maryland | 2021 |
02070011
| Lower Potomac | established |
1676570
| Chinese mysterysnail | VA | Prince William | [No locality description provided] | 2020 |
02070011
| Lower Potomac | |
1698031
| mysterysnail | VA | Prince William | [No locality description provided] | 2017 |
02070011
| Lower Potomac | |
1699086
| mysterysnail | VA | Prince William | [No locality description provided] | 2019 |
02070011
| Lower Potomac | |
1713839
| Japanese mysterysnail | VA | Prince William | Powells Creek off Neabsco Beach Way, Leesylvania, Virginia | 2018 |
02070011
| Lower Potomac | |
1695311
| Chinese mysterysnail | VA | Westmoreland | Potomac River at Westmoreland State Park's Fossil Beach, just north of the Chesapeake Bay confluence | 2022 |
02070011
| Lower Potomac | unknown |