compressum, Chirostoma grandocule de Buen [F.] 1940:307 [Ciencia (Mexico City) v. 1 (no. 7) (for Mar. 1940); ref. 13228] Lake Cuitzeo, Michoacán, Mexico. Holotype: UMMZ 143300 [ex Estación Limnol. Pátzcuaro]. •Synonym of Chirostoma grandocule (Steindachner 1894) -- (Barbour 1974:279 [ref. 24561]). •Valid as Chirostoma compressum de Buen 1940 -- (Dyer in Reis et al. 2003:518 [ref. 27061]). Current status: Valid as Chirostoma compressum de Buen 1940. Atherinopsidae: Menidiinae. Distribution: Lerma River basin, Mexico. Habitat: freshwater.