Species that contain: Pseudauchenipterus and nodosus [ 5 ] records

aguilerae, Silvaichthys Fernández-Yépez [A.] 1973:[4], Fig. [Evencias No. 29; ref. 14284] Gulfo de Paria, northeastern Venezuela, depth 2 fathoms. Syntypes: ANSP (4) originally as "Holotipo macho AFY 731.201, Holotipo hembra AFY 731.202, y los paratipos . AFY 731.203 (2)." but not found at ANSP. Type catalog: Ferraris 2007:76 [ref. 29155]. On fourth unnumbered page. •Synonym of Pseudauchenipterus nodosus (Bloch 1794) -- (Ferraris in Reis et al. 2003:476 [ref. 27061], Ferraris 2007:76 [ref. 29155]). Current status: Synonym of Pseudauchenipterus nodosus (Bloch 1794). Auchenipteridae: Auchenipterinae. Habitat: freshwater, brackish.

furcatus, Auchenipterus Valenciennes [A.] in Cuvier & Valenciennes 1840:211 [Histoire naturelle des poissons v. 15; ref. 1008] Suriname, Cayanne. Syntypes: MNHN B-0213 (1), 3049 (1), A-8855 (1). Type catalog: Royero & Hureau 1996:371-372 [ref. 22752], Type catalog: Ferraris 2007:76 [ref. 29155]. •Synonym of Pseudauchenipterus nodosus (Bloch 1794) -- (Ferraris in Reis et al. 2003:476 [ref. 27061], Ferraris 2007:76 [ref. 29155]). Current status: Synonym of Pseudauchenipterus nodosus (Bloch 1794). Auchenipteridae: Auchenipterinae. Habitat: freshwater, brackish.

guppyi, Pseudauchenipterus Regan [C. T.] 1906:387, Pl. 24 [Proceedings of the Zoological Society of London 1906 (pt 2) (art. 1) (for 10 Apr. 1906); ref. 15700] Caroni River, Trinidad Island, West Indies. Syntypes: BMNH 1906.6.23.49-50 (2). Type catalog: Ferraris 2007:76 [ref. 29155]. •Synonym of Pseudauchenipterus nodosus (Bloch 1794) -- (Burgess 1989:241 [ref. 12860], Ferraris in Reis et al. 2003:476 [ref. 27061], Ferraris 2007:76 [ref. 29155]). Current status: Synonym of Pseudauchenipterus nodosus (Bloch 1794). Auchenipteridae: Auchenipterinae. Habitat: freshwater, brackish.

nigrolineatus, Pseudauchenipterus Fowler [H. W.] 1911:434, Fig. 5 [Proceedings of the Academy of Natural Sciences of Philadelphia v. 63; ref. 1383] Pedernales, Venezuela. Holotype: ANSP 37876. Paratypes: ANSP 37877 (1), FMNH 55903 [ex ANSP 37878, ex CM] (1). Type catalog: Böhlke 1984:25 [ref. 13621], Ibarra & Stewart 1987:70 [ref. 12367], Ferraris 2007:76 [ref. 29155]. •Synonym of Pseudauchenipterus nodosus (Bloch 1794) -- (Ferraris in Reis et al. 2003:476 [ref. 27061], Ferraris 2007:76 [ref. 29155]). Current status: Synonym of Pseudauchenipterus nodosus (Bloch 1794). Auchenipteridae: Auchenipterinae. Habitat: freshwater, brackish.

nodosus, Silurus Bloch [M. E.] 1794:35, Pl. 368 (fig. 1) [Naturgeschichte der ausländischen Fische v. 8; ref. 463] Tranquebar [Tharangambadi], India [actual is South America]. Lectotype: ZMB 3097. Paralectotypes: ZMB ?3096 (1, not found). Type catalog: Paepke 1999:47 [ref. 24282], Ferraris 2007:76 [ref. 29155]. On p. 26 of Bloch's Ichthyologie, v. 11 [ref. 21381]. Lectotype selected by Paepke 1999:47 [ref. 24282]. •Valid as Pseudauchenipterus nodosus (Bloch 1794) -- (Mees 1986:313 [ref. 5693], Burgess 1989:241 [ref. 12860], Cervigón 1992:264 [ref. 23827], Le Bail et al. 2000:62 [ref. 24549], Camargo & Isaac 2001:145 [ref. 27639], Ferraris 2003:853 [ref. 26999], Ferraris in Reis et al. 2003:476 [ref. 27061], Ferraris in Reis et al. 2003:476 [ref. 27061], Ferraris 2007:76 [ref. 29155], Phillip et al. 2013:17 [ref. 32896], Marceniuk et al. 2017:39 [ref. 35324], Calegari et al. 2019:[92] [ref. 36961], Koerber et al. 2022:57 [ref. 39235], Lasso & Lasso-Alcalá in Lasso & Morales-Betancourt 2022:142 [ref. 40783], Taphorn et al. 2022:43 [ref. 41297], Gurgel-Lourenço et al. 2023:75 [ref. 41056], Limeira-Filho et al. 2024:7 [ref. 41573]). Current status: Valid as Pseudauchenipterus nodosus (Bloch 1794). Auchenipteridae: Auchenipterinae. Distribution: South America: lower reaches of rivers and in estuaries (Brazil, French Guiana, Guyana, Suriname, Trinidad and Tobago, and Venezuela). IUCN (2023): Least Concern. Habitat: freshwater, brackish.