Peces Criollos - Freshwater Fishes of Argentina Peces Criollos - Freshwater Fishes of Argentina
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Oligosarcus amome sp.nov. from Argentina

Oligosarcus amome, female paratype
Oligosarcus amome, female paratype (photo from publication)

new species from Argentina:
Oligosarcus amome Almirón, Casciotta, Piálek, Doubnerová & Ríčan, 2015

published in:
Almirón, A., J. Casciotta, L. Piálek, K. Doubnerová & O. Rican (2015):
Oligosarcus amome (Ostariophysi: Characidae), a new species from the río Uruguay basin, Misiones, Argentina.
Zootaxa 3915 (1): 581–590

abstract (from publication):
Oligosarcus amome is described from tributaries of the arroyo Yabotí-Guazú, río Uruguay basin, Misiones Province, Argentina. This new species can be distinguished from all its congeners by the following combination of characters: presence of two conspicuous series of teeth on premaxilla bearing pentacuspidate teeth in the outer series. Oligosarcus amome is the sister taxon of all remaining analyzed species of the genus excepting O. itau.

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