Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Megaclassis: Osteichthyes
Superclassis/Classis: Actinopterygii
Classis/Subclassis: Actinopteri
Subclassis/Infraclassis: Neopterygii
Infraclassis: Teleostei
Megacohors: Osteoglossocephalai
Supercohors: Clupeocephala
Cohors: Euteleosteomorpha
Subcohors: Neoteleostei
Infracohors: Eurypterygia
Sectio: Ctenosquamata
Subsectio: Acanthomorphata
Divisio/Superordo: Acanthopterygii
Subdivisio: Percomorphaceae
Series: Ovalentaria
Superordo: Cichlomorphae
Ordo: Cichliformes
Familia: Cichlidae
Subfamilia: Retroculinae
Genus: Retroculus
Species: R. acherontos – R. lapidifer – R. septentrionalis – R. xinguensis
Name
Retroculus Eigenmann & Bray, 1894: 614
Type species: Retroculus boulengeri Eigenmann & Bray, 1894 = Retroculus lapidifer (Castelnau, 1855)
Type by monotypy
Gender: masculine
References
Eigenmann, C.H., & W.L. Bray 1894: A revision of the American Cichlidae. Annals of the New York Academy of Sciences, 7 (art. 4): 607–624.
Retroculus lapidifer
Retroculus is a genus of cichlids native to tropical South America, where three are native to rivers in southeastern Amazon Basin in Brazil, while the final is native to rivers in Amapá (Brazil) and French Guiana.[1] It is the sole genus included in the subfamily Retroculinae, although some authorities classify this as a tribe, Retroculini, of the subfamily Cichlinae.[2] These rheophilic cichlids are superficially similar to Geophagus.[1]
Species
Four recognized species are in this genus:[3]
Retroculus acherontos Landim, C. L. R. Moreira & C. A. Figueiredo, 2015[1]
Retroculus lapidifer (Castelnau, 1855)
Retroculus septentrionalis J. P. Gosse, 1971
Retroculus xinguensis J. P. Gosse, 1971
References
Landim, M.I., Moreira, C.R. & Figueiredo, C.A. (2015): Retroculus acherontos, a new species of cichlid fish (Teleostei) from the Rio Tocantins basin. Zootaxa, 3973 (2): 369-380.
Wm. Leo Smith; Prosanta Chakrabarty; John S. Sparks (2008). "Phylogeny, taxonomy, and evolution of Neotropical cichlids (Teleostei: Cichlidae: Cichlinae)" (PDF). Cladistics. 24 (5): 624–641.
Froese, Rainer and Pauly, Daniel, eds. (2015). Species of Retroculus in FishBase. April 2015 version.
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