| Citation | Page, L.M. and P.W. Smith, 1971, The life history of the slenderhead darter, Percina phoxocephala, in the Embarras River, Illinois.. Ill. Nat. Hist. Surv. Biol. Notes (74):1-14. |
| Ref. | 74949 Page, L.M. and P.W. Smith, 1971 |
| Page | 1-14 |
| Named Used as Valid | Percina phoxocephala |
| Comment | Cited in Ref. 7043. Not actually seen. |
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