amome, Oligosarcus Almirón [A. E.], Casciotta [J. R.], Piálek [L.], Doubnerová [K.] & Říčan [O.] 2015:582, Figs. 1-4 [Zootaxa 3915 (no. 1); ref. 33673] Misiones Province: río Uruguay basin, arroyo Oveja Negra, tributary of Arroyo Yabotí-Guazú, Argentina, 27°08'15.5"S, 53°55'28.8"W. Holotype: MLP 10679. Paratypes: MACN-ict, MLP. Type catalog: Nadalin & López 2015:5 [ref. 34112]. •Placement in Oligosarcus is controversial -- (Riveiro & Menezes 2015:41 [ref. 33768]). •Valid as Oligosarcus amome Almirón, Casciotta, Piálek, Doubnerová & Říčan 2015 -- (Mirande & Koerber 2015:25 [ref. 35117], Menezes & Camelier 2024:243 [ref. 40817]). Current status: Valid as Oligosarcus amome Almirón, Casciotta, Piálek, Doubnerová & Říčan 2015. Acestrorhamphidae: Acestrorhamphinae. Distribution: South America: upper Uruguay River basin, Argentina. Habitat: freshwater.