macrostomus, Silurus (Callichrus) Swainson [W.] 1839:306 [The natural history and classification v. 2; ref. 4303] Type catalog: Ferraris 2007:381 [ref. 29155]. Based on Ham. 154, pl. 29. f. 49 -- which is Hamilton 1822:154, Pl. 29 (fig. 49) [ref. 2031]. Unneeded new name for Silurus boalis Hamilton 1822. •Synonym of Wallago attu (Bloch & Schneider 1801) -- (Jayaram 2006:113 [ref. 28762], Ferraris 2007:381 [ref. 29155], Kottelat 2013:239 [ref. 32989]). Current status: Synonym of Wallago attu (Bloch & Schneider 1801). Siluridae. Habitat: freshwater.