Synonyma
Acestrorhamphus Eigenmann & Kennedy, 1903 ― Hydrocyon hepsetus Cuvier, 1829
Eigenmann, C. H. & Kennedy, C. H. 1903. On a collection of fishes from Paraguay, with a synopsis of the American genera of cichlids. Proceedings of the Academy of Natural Sciences of Philadelphia v. 55: 497-537.
Paroligosarcus Amaral Campos & Trewavas, 1949 ― Oligosarcus pintoi Amaral Campos, 1945
Amaral Campos, A. & Trewavas, E. 1949. Oligosarcus Günther, a genus of South American characid fishes, and Paroligosarcus, subgen. nov. Annals and Magazine of Natural History (Series 12) v. 2 (no. 14) (art. 13): 157-160.
Typový druh
Oligosarcus argenteus Günther, 1864.
Původní popis
Günther, A. 1864. Catalogue of the fishes in the British Museum. Catalogue of the Physostomi, containing the families Siluridae, Characinidae, Haplochitonidae, Sternoptychidae, Scopelidae, Stomiatidae in the collection of the British Museum. v. 5: i-xxii + 1-455.
Dostupné online
Použitá literatura
Přehled druhů
Oligosarcus acutirostris Menezes, 1990
tetralka ostrorypá
Oligosarcus amome Almirón, Casciotta, Piálek, Doubnerová & Říčan, 2015
Oligosarcus argenteus Günther, 1864
tetralka stříbřitá
Oligosarcus bolivianus (Fowler, 1940)
tetralka bolivijská
Oligosarcus brevioris Menezes, 1990
tetralka brazilská
Oligosarcus hepsetus (Cuvier, 1829)
tetralka argentinská
Oligosarcus itau Mirande, Aguilera & Azpelicueta, 2011
Oligosarcus jacuiensis Menezes & Ribeiro, 2010
Oligosarcus jenynsii (Günther, 1864)
tetralka Jenynsova
Oligosarcus longirostris Menezes & Géry, 1983
tetralka dlouhorypá
Oligosarcus macrolepis (Steindachner, 1877)
tetralka velkošupinná
Oligosarcus menezesi Miquelarena & Protogino, 1996
tetralka Menezesova
Oligosarcus oligolepis (Steindachner, 1867)
tetralka málošupinná
Oligosarcus paranensis Menezes & Géry, 1983
tetralka saopaulská
Oligosarcus perdido Ribeiro, Cavallaro & Froehlich, 2007
Oligosarcus pintoi Amaral Campos, 1945
tetralka Pintova
Oligosarcus planaltinae Menezes & Géry, 1983
tetralka planaltinská
Oligosarcus platensis (Messner, 1962)
tetra lagunová
Oligosarcus robustus Menezes, 1969
tetralka mohutná
Oligosarcus schindleri Menezes & Géry, 1983
tetralka Schindlerova
Oligosarcus solitarius Menezes, 1990
tetralka osamělá
Oligosarcus varii Menezes & Ribeiro, 2015