gibbiceps, Heros Steindachner [F.] 1864:66 [10], Pl. 5 (figs. 1-2) [Denkschriften der Kaiserlichen Akademie der Wissenschaften in Wien, Mathematisch-Naturwissenschaftliche Classe. v. 23 (no. 2); ref. 13936] Río Teapa, Tabasco, Mexico. Syntypes: NMW 17360-61 (1, 1), 17367 (1), 58799 (1). On p. 10 of separate. •Valid as Cichlasoma gibbiceps (Steindachner 1864) -- (Conkel 1993:153 [ref. 22949], Espinosa Pérez et al. 1993:67 [ref. 22290], Nelson et al. 2004:151 [ref. 27807]). •Valid as Theraps gibbiceps (Steindachner 1864) -- (Miller 2006:373 [ref. 28615]). •Valid as Paraneetroplus gibbiceps (Steindachner 1864) -- (Burgess 2000:56 [ref. 24818], Kullander in Reis et al. 2003:640 [ref. 27061], McMahan et al. 2010:1298 [ref. 31111], Page et al. 2013:157 [ref. 32708], Paepke et al. 2014:55 [ref. 33351], McMahan et al. 2015:218 [ref. 33920], Říčan et al. 2016:46 [ref. 34357], Gómez-Martínez et al. 2022:241 [ref. 39506], Page et al. 2023:137 [ref. 40505]). Current status: Valid as Paraneetroplus gibbiceps (Steindachner 1864). Cichlidae: Cichlinae. Distribution: Southern North America: Grijalva River, Atlantic Slope (southern Mexico). Habitat: freshwater.