Specimen ID | Common Name | State | County | Locality | Year |
| Drainage name | Status |
284973
| Chinese mysterysnail | ME | Franklin | Clearwater Pond | 2012 |
01030003
| Lower Kennebec River | established |
1679707
| mysterysnail | ME | Kennebec | [No locality description provided] | 2021 |
01030003
| Lower Kennebec River | |
241276
| Chinese mysterysnail | ME | Kennebec | Annabessacook Lake in Winthrop | 2007 |
01030003
| Lower Kennebec River | established |
241289
| Chinese mysterysnail | ME | Kennebec | Buker Pond (Tacoma Lakes) [just S of Litchfield] | 2007 |
01030003
| Lower Kennebec River | established |
241297
| Chinese mysterysnail | ME | Kennebec | Maranacook Lake in Winthrop | 2006 |
01030003
| Lower Kennebec River | established |
52339
| Chinese mysterysnail | ME | Kennebec | Messalonskee Stream, Waterville, ME | 1965 |
01030003
| Lower Kennebec River | collected |
241303
| Chinese mysterysnail | ME | Kennebec | Sand Pond (in Litchfield) | 2007 |
01030003
| Lower Kennebec River | established |
1729688
| mysterysnail | ME | Waldo | [No locality description provided] | 2023 |
01030003
| Lower Kennebec River | |