Specimen ID | Common Name | State | County | Locality | Year |
| Drainage name | Status |
1545053
| Texas Spiny Softshell | CA | Fresno | Coke Hallowell Center for River Studies, near reclaimed mining pond | 2019 |
18040001
| Middle San Joaquin-Lower Chowchilla | unknown |
1446474
| Spiny Softshell | CA | Merced | San Joaquin River just upstream from the Highway 140 bridge at Fremont Ford Park | 2004 |
18040001
| Middle San Joaquin-Lower Chowchilla | established |
1446475
| Spiny Softshell | CA | Merced | San Joaquin River west of Highway 165 | 2004 |
18040001
| Middle San Joaquin-Lower Chowchilla | established |