| Citation | Costa, W.J.E.M. and G.C. Brasil, 2008, Simpsonichthys inaequipinnatus, a new seasonal killifish from the Tocantins River basin, Brazil (Cyprinodontiformes: Rivulidae).. Ichthyol. Explor. Freshwat. 19(3):245-248. |
| Ref. | 79814 Costa, W.J.E.M. and G.C. Brasil, 2008 |
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| Named Used as Valid | Simpsonichthys inaequipinnatus |
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