machrisi, Apareiodon Travassos [H.] 1957:147, Figs. 1-3 [Revista Brasileira de Biologia v. 17 (no. 1); ref. 12122] Ribeirão Cristalino, Fazenda Oliver, Amaro Leite, Estado de Goiás, Brazil. Holotype: MNRJ 8932. Paratypes: MNRJ 8933 (1), 8940 (1). Pavanelli & Britski 2003:340 [ref. 26907] say there were 8 paratypes; not researched. •Valid as Apareiodon machrisi Travassos 1957 -- (Garavello 1977:454 [ref. 7250], Starnes & Schindler 1993:755 [ref. 21014], Bonilla et al. 1999:1 [ref. 25109], Pavanelli in Reis et al. 2003:47 [ref. 27061], Pavanelli & Britski 2003:338 [ref. 26907], Ramos et al. 2014:3 [ref. 35321], Koerber et al. 2022:16 [ref. 39235]). Current status: Valid as Apareiodon machrisi Travassos 1957. Parodontidae. Distribution: South America: Tocantins-Araguaia River basin (Brazil). Habitat: freshwater.