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Schories, S.; Meyer, M. K.; Schartl, M. Description of Poecilia (Acanthophacelus) Obscura n. sp., (Teleostei: Poeciliidae), a New Guppy Species from Western Trinidad, With Remarks on P. Wingei And the Status of the “Endler’s Guppy”. Zootaxa 2009, 2266, 35–50.