↑ abcManfred K. Meyer, Susanne Schories, Manfred Schartl: Description of Priapella lacandonae sp. n. – a new poeciliid fish from the río Tulijá basin, Grijalva system, Chiapas, Mexico (Teleostei: Cyprinodontiformes: Poeciliidae) In: Vertebrate Zoology 61, Nr. 1, 2011, ISSN1864-5755, S. 91–97 (PDF-Datei; 0,45 MB).
↑Paulo Henrique Franco Lucinda: Systematics and biogeography of the genus Phalloceros Eigenmann, 1907 (Cyprinodontiformes: Poeciliidae: Poeciliinae), with the description of twenty-one new species. In: Neotropical Ichthyology. Band 6, Nr. 2, 2008, ISSN1679-6225, S. 113-158 (PDF-Datei; 8,8 MB).