parnahybae, Brachyplatystoma Steindachner [F.] 1908:126 [Anzeiger der Kaiserlichen Akademie der Wissenschaften, Wien, Mathematisch-Naturwissenschaftliche Klasse v. 45 (no. 9) (for 11 Mar. 1908); ref. 18803] Rio Parnahyba, Brazil. Holotype (unique): NMW. Type catalog: Ferraris 2007:331 [ref. 29155]. •Valid as Brachyplatystoma parnahybae Steindachner 1908 -- (Burgess 1989:282 [ref. 12860]). •Synonym of Brachyplatystoma vaillantii (Valenciennes 1840) -- (Lundberg & Littmann in Reis et al. 2003:435 [ref. 27061], Ferraris 2007:331 [ref. 29155], Grant 2021:48 [ref. 38702]). Current status: Synonym of Brachyplatystoma vaillantii (Valenciennes 1840). Pimelodidae. Habitat: freshwater.