| Key to the Procatopus species of Lower Guinea, West-Central Africa. |
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| Van Der Zee, J.R., T. Woeltjes and R.H. Wildekamp 2008. Poeciliidae. p. 48-79. In M.L.J. Stiassny, G.G. Teugels and C.D. Hopkins (eds.) The fresh and brackish water fishes of Lower Guinea, West-Central Africa. Volume II. Collection Faune et Flore tropicales 42. Institut de Recherche pour le Développement, Paris, France, Muséum National d’Histoire Naturelle, Paris, France, and Musée Royal de l’Afrique Centrale, Tervuren, Belgium. 603 pp. Ref No [81647] Key No. [1663] |