luelingi, Cheirodon Géry [J.] 1964:19, Fig. 16 [Beiträge zur Neotropischen Fauna v. 4 (no. 1); ref. 1580] Small creek connecting "Zapote Cocha" and "Caño Yarina", on edge of Río Pacaya, tributary of lower Río Ucayali, Peru. Holotype: ZFMK 1417. Paratypes: MHNG 2150.16-17 (2), ZFMK 1418 (1). Type catalog: Busse 1984:219 [ref. 28342], Herder et al. 2010:116 [ref. 31087]. •Incertae sedis in Characidae -- (Reis et al. 2003:104 [ref. 27061], Chuctaya et al. 2024:130 [ref. 40817]). •Valid as Cheirodon luelingi Géry 1964 -- (Ortega & Vari 1986:8 [ref. 9708], Barriga Salazar 2014:106 [ref. 35745], Meza-Vargas et al. 2021:17 [ref. 39298]). Current status: Uncertain as Cheirodon luelingi Géry 1964. Characidae: Cheirodontinae. Distribution: South America: upper Amazon River basin (Peru and Ecuador). Habitat: freshwater.