Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
52572
| TX | Brazoria | Freeport, TX, Gulf of Mexico | 1995 |
12040205
| Austin-Oyster | established |
50176
| TX | Calhoun | Matagorda Bay at Port O'Connor, TX | 1995 |
12100402
| West Matagorda Bay | established |
52575
| TX | Cameron | Brownsville Shipping Canal, Brownville, TX | 1995 |
12110208
| South Laguna Madre | established |
52574
| TX | Cameron | Laguna Madre, TX (Gulf of Mexico) | 1995 |
12110208
| South Laguna Madre | established |
52573
| TX | Nueces | Corpus Christi Bay | 1995 |
12110202
| South Corpus Christi Bay | established |