heterospilum, Cichlasoma Hubbs [C. L.] 1936:255, Pl. 10, (fig. 3) [Carnegie Institution of Washington Publications No. 457 (art. 17); ref. 2247] Río Usumacinta at Montecristo, southern Mexico. Holotype (unique): USNM 52959. •Valid as Cichlasoma heterospilum Hubbs 1936 -- (Conkel 1993:144 [ref. 22949] as heterospilus, Espinosa Pérez et al. 1993:67 [ref. 22290], Nelson et al. 2004:152 [ref. 27807]). •Valid as Vieja heterospila (Hubbs 1936) -- (Burgess 2000:50 [ref. 24818], Allgayer 2002:17 [ref. 26901], Kullander in Reis et al. 2003:645 [ref. 27061], Miller 2006:383 [ref. 28615]). •Valid as Theraps heterospilus (Hubbs 1936) -- (McMahan et al. 2010:1299 [ref. 31111] as heterospila, Page et al. 2013:157 [ref. 32708]). •Valid as Oscura heterospila (Hubbs 1936) -- (McMahan et al. 2015:225 [ref. 33920], Říčan et al. 2016:44 [ref. 34357], Gómez-Martínez et al. 2022:241 [ref. 39506], Barrientos et al. 2023:273 [ref. 41235], Page et al. 2023:137 [ref. 40505], Quintana 2024:6 [ref. 41186]). Current status: Valid as Oscura heterospila (Hubbs 1936). Cichlidae: Cichlinae. Distribution: Southern North America and Central America: Atlantic Slope (Guatemala and Mexico). Habitat: freshwater.