ctenolepis, Xenodexia Hubbs [C. L.] 1950:9, Pls. 1-4 [Miscellaneous Publications, Museum of Zoology, University of Michigan No. 78; ref. 2250] Río Senisio at Finca Chamá, Quiche, Alta Vera Paz, Guatemala. Holotype: UMMZ 105460. Paratypes: UMMZ 105459 (39, 1 c&s). •Valid as Xenodexia ctenolepis Hubbs 1950 -- (Rosen & Bailey 1963:143 [ref. 7067], Lucinda in Reis et al. 2003:573 [ref. 27061], Nelson et al. 2004:105 [ref. 27807], Lucinda & Reis 2005:45 [ref. 29205], Miller 2006:253 [ref. 28615], Scharpf 2007:17 [ref. 30398], Page et al. 2013:111 [ref. 32708], Meyer 2015:361 [ref. 34698], Huber 2019:141 [ref. 36941]). Current status: Valid as Xenodexia ctenolepis Hubbs 1950. Poeciliidae: Xenodexiinae. Distribution: Atlantic slope of northwestern Guatemala and adjacent Mexico. Habitat: freshwater.