Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
168289
| CT | New London | Wyassup Lake, near North Stonington, near Wyassup Lake Rd. | 1999 |
01100007
| Pawcatuck River | unknown |
168288
| CT | New London | Wyassup Lake, near North Stonington, near Wyassup Lake Rd. | 2003 |
01100007
| Pawcatuck River | unknown |
156519
| RI | Washington | quarry near Westerly [Location approximate, hand plotted] | 1999 |
01100007
| Pawcatuck River | unknown |