oblonga, Chromys Castelnau [F. L.] 1855:14 [Animaux nouveaux or rares v. 2; ref. 766] Rio Tocantins, Goiás, Brazil [probably erroneous]. Holotype (unique): MNHN A-9485. Type catalog: Blanc 1962:205 [ref. 20868], Bauchot et al. 1978:46 [ref. 20862]. Original genus should have been Chromis. •Species inquirenda in Cichlasoma -- (Kullander in Reis et al. 2003:625 [ref. 27061], Rícon & Kullander 2003:794 [ref. 27259]). •Nomen dubium -- (Ottoni 2012:84 [ref. 31900]). •Synonym of Australoheros facetus (Jenyns 1842) -- (Říčan & Kullander 2008:4 [ref. 29548], Ottoni & Costa 2008:208 [ref. 29909], Ottoni et al. 2011:144 [ref. 31378] with question, Litz & Koerber 2014:35 [ref. 33622], Mirande & Koerber 2015:59 [ref. 35117]). •Valid as Australoheros oblongus (Castelnau 1855) -- (Lucena et al. 2022:55 [ref. 39823], Quintela et al. 2023:6 [ref. 40727]). Current status: Valid as Australoheros oblongus (Castelnau 1855). Cichlidae: Cichlinae. Distribution: South America: small streams in the Rio Paraíba do Sul, Rio Tietê and other basins of the Rio Grande (headwaters of the Rio Paraná), upper Rio São Francisco and upper Rio Doce, Rio Guandi and Rio Macacu basins (southeastern Brazil). Habitat: freshwater.