menezesi, Oligosarcus Miquelarena [A. M.] & Protogino [L. C.] 1996:112, Fig. [Iheringia, Série Zoologia (Porto Alegre) No. 80; ref. 23181] Upper Urugua-í creek, upper Río Paraná system, Misiones, Argentina, 25°57'S, 54°07'W. Holotype: CFA-IC 10299 [ex ILPLA 299]. Paratypes: CFA-IC 10300-10306 [ex ILPLA 300-306] (2, 1, 2, now 3, 1, 4, 4), MZUSP 48000-02 (3, 2, 3); MLP 10486 (3). Type catalog: Koerber 2007:1 [ref. 29776], Miquelarena et al. 2009:78-80 [ref. 34389], Miquelarena & Nadalin 2014:10 [ref. 33466], Bogan et al. 2019:15 [ref. 37088]. •Valid as Oligosarcus menezesi Miquelarena & Protogino 1996 -- (Miquelarena et al. 1997:68 [ref. 23469], López et al. 2002:61 [ref. 26808], Menezes in Reis et al. 2003:152 [ref. 27061], López et al. 2003:29 [ref. 27366], Menni 2004:74 [ref. 28131], Ribeiro et al. 2007:52 [ref. 29321], Almirón et al. 2015:589 [ref. 33673], Ribeiro & Menezes 2015:78 [ref. 33768], Mirande & Koerber 2015:25 [ref. 35117], Menezes & Camelier 2024:244 [ref. 40817]). Current status: Valid as Oligosarcus menezesi Miquelarena & Protogino 1996. Acestrorhamphidae: Acestrorhamphinae. Distribution: South America: Paraná River basin (Argentina). Habitat: freshwater.