heinrothi, Metynnis Ahl [E.] 1923:29, Fig. 3 [Mitteilungen aus dem Zoologischen Museum in Berlin v. 11 (no. 1); ref. 19929] Amazon River (?). Holotype (unique): ZMB 20662. Types mentioned: Paepke 1995:92 [ref. 21847]. •Synonym of Metynnis lippincottianus (Cope 1870) -- (Zarske & Géry 1999:208 [ref. 23984], Jégu in Reis et al. 2003:184 [ref. 27061], Zarske & Géry 2008:189 [ref. 29917], Ota et al. 2024:408 [ref. 40817]). Current status: Synonym of Metynnis lippincottianus (Cope 1870). Serrasalmidae: Serrasalminae. Habitat: freshwater.