Specimen ID | Country | State | County | Locality | Year |
| Drainage name | Status |
241259
| United States of America | RI | | Atlantic Ocean, Rhode Island, offshore | 2006 |
32004100
| Virginian | established |
243905
| United States of America | RI | Newport | Atlantic Ocean, Rhode Island, Fort Wetherill State Park | 2006 |
01090004
| Narragansett | established |
243903
| United States of America | RI | Newport | Atlantic Ocean, Rhode Island, Fort Wetherill State Park | 2006 |
01090004
| Narragansett | established |
167798
| United States of America | RI | Newport | Atlantic Ocean, Rhode Island, Narragansett Bay (East Passage), southern end of Conanicut Island at Fort Wetherill, Jamestown | 2006 |
01090004
| Narragansett | established |
1339593
| United States of America | RI | Washington | Atlantic Ocean, Rhode Island, Misquamicutt State Beach | 2016 |
01090006
| Point Judith-Block Island | established |
237952
| United States of America | RI | Washington | Atlantic Ocean, Rhode Island, Narragansett, offshore | 2005 |
01090004
| Narragansett | established |