acora, Chromys Castelnau [F. L.] 1855:17, Pl. 9 (fig. 1) [Animaux nouveaux or rares v. 2; ref. 766] Lakes of the Rio Araguaia, Brazil. No types known. Type catalog: Bauchot et al. 1978:44 [ref. 20862]. Originally as Chromys?? acora. Original genus should have been Chromis. •Valid as Mesonauta acora (Castelnau 1855) -- (Kullander & Silfvergrip 1991:424 [ref. 16014], Schindler 1998:10 [ref. 23480], Kullander in Reis et al. 2003:638 [ref. 27061], Schindler & Ottoni 2016:84 [ref. 34465]). Current status: Valid as Mesonauta acora (Castelnau 1855). Cichlidae: Cichlinae. Distribution: Rio Araguaia drainage, Brazil. Habitat: freshwater.