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| No. | Valid Name | Author | English Name |
| 1. | Nothonotus aquali | (Williams & Etnier, 1978) | Coppercheek darter |
| 2. | Nothonotus microlepidus | (Raney & Zorach, 1967) | Smallscale darter |
| 3. | Nothonotus sanguifluus | (Cope, 1870) | Bloodfin darter |
| 4. | Nothonotus starnesi | Keck & Near, 2013 | Caney fork darter |