altamazonicum, Lepthoplosternum Reis [R. E.] 1997:318, Fig. 318 [Ichthyological Exploration of Freshwaters v. 7 (no. 4); ref. 22747] Río Ucayali, Pucallpa, Peru. Holotype: MHNG 2551.01. Paratypes: MCP 17296 (1), 17301 (2), 17313 (3, 2 c&s); MHNG 2157.23 (2), 2157.26, 2388.94 (6); MZUSP 26425 (1); NRM 15420 (3); CAS-SU 58853 (1); USNM 284581 (1). Type catalog: Weber 1998:10 [ref. 32707], Ferraris 2007:128 [ref. 29155]. •Valid as Lepthoplosternum altamazonicum Reis 1997 -- (Reis 1998:353 [ref. 23849], Reis in Reis et al. 2003:305 [ref. 27061], Reis & Kaefer 2005:724 [ref. 28481], Ferraris 2007:128 [ref. 29155], DoNascimiento et al. 2017:72 [ref. 35633], Meza-Vargas et al. 2021:25 [ref. 39298]). Current status: Valid as Lepthoplosternum altamazonicum Reis 1997. Callichthyidae: Callichthyinae. Distribution: South America: upper Amazon River basin (Brazil, Colombia and Peru). Habitat: freshwater.