| Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
|
154251
| MA | | Cape Cod Bay | 1994 |
32504000
| Gulf of Maine/Bay of Fundy | established |
|
154248
| MA | Barnstable | Atlantic Ocean, Buzzards Bay | 1994 |
32004100
| Virginian | established |
|
4794
| MA | Barnstable | Cape Cod Bay at the east end of the Cape Cod Canal [Sagamore, MA] | 1994 |
32504000
| Gulf of Maine/Bay of Fundy | established |
|
4793
| MA | Bristol | Buzzards Bay at West Island, MA [near New Bedford] | 1994 |
01090002
| Cape Cod | established |
|
4795
| MA | Plymouth | Cape Cod Bay at Green Harbor, MA | 1994 |
01090002
| Cape Cod | established |
|
154247
| NY | | Long Island (north and south shores) | 1994 |
02030202
| Southern Long Island | established |
|
155082
| NY | Suffolk | Atlantic Ocean, New York, Fire Island Inlet, near a jetty (Oak Beach vicinity) | 1994 |
02030202
| Southern Long Island | established |
|
4792
| NY | Suffolk-Nassau | Long Island Sound from the Bronx to the Narrow River [Orient, NY] | 1994 |
02030203
| Long Island Sound | established |
|
154250
| RI | Washington | Atlantic Ocean, Point Judith | 1994 |
01090004
| Narragansett | established |