LUCINDA, P. H. F.; LUCENA, C. A. S.; ASSIS, N. C. Two new species of cichlid fish genus Geophagus Heckel from the Rio Tocantins drainage (Perciformes: Cichlidae). Zootaxa, Auckland, New Zealand, v. 2429, n. 1, p. 29–42, 2010. DOI: 10.11646/zootaxa.2429.1.2. Disponível em: https://www.mapress.com/zt/article/view/zootaxa.2429.1.2. Acesso em: 25 jun. 2025.