rugispinis, Arius Valenciennes [A.] in Cuvier & Valenciennes 1840:77 [Histoire naturelle des poissons v. 15; ref. 1008] Cayenne, French Guiana. Syntype: MNHN A-9403 (1, dry mounted). Type catalog: Bertin & Estève 1950:10 [ref. 19575]. •Valid as Arius rugispinis Valenciennes 1840 -- (Burgess 1989:169 [ref. 12860], Cervigón 1991:140 [ref. 24472], Cervigón 1992:259 [ref. 23827], Le Bail et al. 2000:28 [ref. 24549], Camargo & Isaac 2001:145 [ref. 27639], Acero P. 2003:842 [ref. 26998], Marceniuk & Ferraris in Reis et al. 2003:447 [ref. 27061], Marceniuk & Menezes in Menezes et al. 2003:41 [ref. 27192], Marceniuk 2005:96 [ref. 28718]). •Valid as cf. Arius rugispinis, genus uncertain -- (Kailola 2004:145 [ref. 28108]). •Valid as incertae sedis in Ariidae -- (Ferraris 2007:32 [ref. 29155]). •Valid as Amphiarius rugispinis (Valenciennes 1840) -- (Marceniuk & Menezes 2007:12 [ref. 29031], Marceniuk & Birindelli 2010:61 [ref. 30960], Marceniuk et al. 2017:38 [ref. 35324], Marceniuk in Marceniuk et al. 2021:162 [ref. 38945], Vieira et al. 2023:20 [ref. 40759]). •Valid as Notarius rugispinis (Valenciennes 1840) -- (Betancur-R. et al. 2007:349 [ref. 29268], Marceniuk et al. 2023:15 [ref. 40422], Lutz et al. 2024:8 [ref. 41548]). Current status: Valid as Notarius rugispinis (Valenciennes 1840). Ariidae: Ariinae. Distribution: Southwestern Atlantic: Atlantic coastal rivers from Guyana to mouth of Amazon River (Brazil, French Guiana, Guyana, Suriname, Trinidad and Tobago; ?Venezuela). Habitat: freshwater, brackish, marine.