laeviceps, Callichthys Valenciennes [A.] in Cuvier & Valenciennes 1840:309 [Histoire naturelle des poissons v. 15; ref. 1008] La Mana River, French Guiana. Syntypes: MNHN 0000-1947 (1) La Mana R., 0000-4259 (1) Rio de Janeiro, 0000-4261 (1) La Mana R. Type catalog: Bertin & Estève 1950:64 [ref. 19575], Ferraris 2007:111 [ref. 29155] Syntype locality of MNHN 0000-4259 specified by Koerber & Reis 2020:4 [ref. 37463] as Rio Inhomirim, village of Inhomirim, city of Magé, state of Rio de Janeiro, Brazil, 22°34'34"S, 43°11'05"W. •Synonym of Callichthys callichthys (Linnaeus 1758) -- (Reis in Reis et al. 2003:293 [ref. 27061], Ferraris 2007:111 [ref. 29155], Litz & Koerber 2014:23 [ref. 33622], Mirande & Koerber 2015:39 [ref. 35117], Koerber et al. 2017:55 [ref. 35267]). Current status: Synonym of Callichthys callichthys (Linnaeus 1758). Callichthyidae: Callichthyinae. Habitat: freshwater.