Ein jüngeres Synonym von Retroculus lapidifer (de Castelnau, 1855)
- Kullander, Sven. 2003. "Family Cichlidae (Cichlids)". Check list of the freshwater fishes of South and Central America. pp. 605-654 (crc01092)
Erstbeschreibung als Retroculus boulengeri:
ZooBank:39E58D36-0424-4633-81CF-C596CEDF2F68.
- Eigenmann, Carl H & W.L. Bray. 1894. "A revision of the American Cichlidae". Annals of the New York Academy of Science. v. 7(n.1), pp. 607-624. DOI: 10.1111/j.1749-6632.1893.tb55412.x (crc00097)