Molecular phylogeny and biogeography of the Cuban genus Girardinus Poey, 1854 and relationships within the tribe Girardinini (Actinopterygii, Poeciliidae).
Doadrio I, Perea S, Alcaraz L, Hernandez N. Mol Phylogenet Evol. 2009 Jan; 50(1):16-30. Epub 2008 Sep 30.