Schories, S., Meyer, M.K. & 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), 35–50.