altum, Pterophyllum Pellegrin [J.] 1903:124 [5] [Bulletin du Muséum National d'Histoire Naturelle (Série 1) v. 9 (no. 3); ref. 15037] Atabapo, Río Orinoco, Venezuela. Syntypes: BMNH 1904.6.28.2-3 [ex MNHN] (2); MHNLR P.261 (1); MNHN 1887-0571 to 0574 (4), 1887-0579 and 0580 (5, 5) Type catalog: Blanc 1962:220-221 [ref. 20868], Aloncle 1968:687-688 [ref. 20713]. On p. 5 of separate. •Valid as Pterophyllum altum Pellegrin 1903 -- (Keith et al. 2000:208 [ref. 24547], Kullander in Reis et al. 2003:641 [ref. 27061], Schindler 2003:84 [ref. 27489], DoNascimiento et al. 2017:100 [ref. 35633]). Current status: Valid as Pterophyllum altum Pellegrin 1903. Cichlidae: Cichlinae. Distribution: Orinoco River basin: Colombia and Venezuela. Habitat: freshwater.