argentina, Perugia MacDonagh [E. J.] 1938:157 [Revista del Museo de La Plata, Sección Zoología N. S., v. 1 (no. 5); ref. 17156] Río Paraná, Posadas, Terriotrio de Misiones, Argentina. Holotype: MLP 1650 [ex 5.VI.35-20]. Paratypes: (5). Type catalog: Ferraris 2007:335 [ref. 29155], Miquelarena & Nadalin 2014:18 [ref. 33466], Grant 2019:15 [ref. 36756]. The species epithet is a noun [named after the Republic of Argentina]. •Valid as Luciopimelodus argentina (MacDonagh 1938) -- (Gómez & Chebez 1996:60 [ref. 23791] as argentinus, López et al. 2003:59 [ref. 27366] as argentinus). •Valid as Megalonema argentina (MacDonagh 1938) -- (Burgess 1989:275 [ref. 12860], López et al. 2002:63 [ref. 26808], Lundberg & Littmann in Reis et al. 2003:437 [ref. 27061], Ferraris 2007:335 [ref. 29155], Mirande & Koerber 2015:32 [ref. 35117], Koerber et al. 2017:48 [ref. 35267] as argentinum). •Valid as Pinirampus argentinus (MacDonagh 1938) -- (Menni 2004:83 [ref. 28131]). •Valid as Pinirampus argentina (MacDonagh 1938) -- (Grant 2019:15 [ref. 36756], Mirande & Koerber 2020:2 [ref. 37594], Grant 2021:99 [ref. 38702]). Current status: Valid as Pinirampus argentina (MacDonagh 1938). Pimelodidae. Distribution: South America: Paraná River basin (Argentina and Paraguay). Habitat: freshwater.