personatus, Callichthys Ranzani [C.] 1841:62 [Nuovi annali delle scienze naturali e rendiconto dei lavori dell'Accademia della Scienze dell'Instituto di Bologna con appendice agraria. Bologna Anno III, Tomo V; ref. 24074] Brazil. Holotype (unique): MZUB 934. Type catalog: Ferraris 2007:129 [ref. 29155]. Also appeared in more detail in Ranzani 1842:322, Pl. 24 [ref. 18607]. •Valid as Hoplosternum personatum (Ranzani 1841) -- (Britski et al. 1999:125 [ref. 24147]). •Valid as Megalechis personata (Ranzani 1841) -- (Reis 1997:313 [ref. 22747], Román-Valencia et al. 1999:60 [ref. 24926], Reis in Reis et al. 2003:305 [ref. 27061]). •Synonym of Megalechis thoracata (Valenciennes 1840) -- (Reis et al. 2005:678 [ref. 28320], Ferraris 2007:129 [ref. 29155], DoNascimiento 2016:531 [ref. 34727]). Current status: Synonym of Megalechis thoracata (Valenciennes 1840). Callichthyidae: Callichthyinae. Habitat: freshwater.