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Schories, S., Meyer, M.K. and Schartl, M. 2009. 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. 2266, 1 (Oct. 2009), 35–50. DOI:https://doi.org/10.11646/zootaxa.2266.1.2.