splendida, Petenia Günther [A.] 1862:301 [Catalogue of the fishes in the British Museum v. 4; ref. 1969] Lake Petén [Petén Itza], Guatemala. Syntypes: BMNH 1864.1.26.103-105 (3). •Valid as Petenia splendida Günther 1862 -- (Gamboa Pérez 1992:321 [ref. 38704], Conkel 1993:186 [ref. 22949], Espinosa Pérez et al. 1993:71 [ref. 22290], Greenfield & Thomerson 1997:206 [ref. 22947], Burgess 2000:56 [ref. 24818], Kullander in Reis et al. 2003:641 [ref. 27061], Nelson et al. 2004:153 [ref. 27807], Miller 2006:372 [ref. 28615], Chakrabarty 2007:21 [ref. 29359], Page et al. 2013:157 [ref. 32708], Barrientos et al. 2015:4 [ref. 37653], Říčan et al. 2016:32 [ref. 34357], Morgenstern 2018:264 [ref. 36331], López-Segovia et al. 2020:111 [ref. 38151], Gómez-Martínez et al. 2022:241 [ref. 39506]). Current status: Valid as Petenia splendida Günther 1862. Cichlidae: Cichlinae. Distribution: Southern North America and Central America: Atlantic Slope of Mexico and Usumacinta River basin (Belize, Guatemala and Mexico). Habitat: freshwater.