| Specimen ID | Common Name | State | County | Locality | Year |
| Drainage name | Status |
|
1804491
| Spiny Softshell | AZ | Maricopa | [No locality description provided] | 2019 |
15070101
| Lower Gila-Painted Rock Reservoir | |
|
1804492
| Spiny Softshell | AZ | Pinal | [No locality description provided] | 2019 |
15050203
| Lower San Pedro | |
|
1804493
| Spiny Softshell | AZ | Pinal | [No locality description provided] | 2019 |
15050203
| Lower San Pedro | |
|
1545053
| Texas Spiny Softshell | CA | Fresno | Coke Hallowell Center for River Studies, near reclaimed mining pond | 2019 |
18040001
| Middle San Joaquin-Lower Chowchilla | unknown |
|
1613940
| Spiny Softshell | CA | Orange | In the Santa Isabelle Channel, seen from the 23rd street foot bridge in Upper Newport Bay Nature Preserve managed by Orange County Parks. | 2019 |
18070204
| Newport Bay | unknown |