aculeatum, Chirostoma Barbour [C. D.] 1973:130, Fig. 18a [Tulane Studies in Zoology and Botany v. 18 (no. 3); ref. 5967] South shore of Lake Yuriria, about 1.5 miles east of Yuriria, Guanajuato, Mexico. Holotype: TU 40889. Paratypes: Inst. Nac. Invest. Biol. Pesq., Mexico (2); TU 40864 (11); UMMZ 97598 (21), 10856 (26), 197682 (2); USNM 205783-84 (5, 30), 205785 (19, 4 c&s). Type catalog: Bart & Taylor 1993:53 [ref. 20906]. •Valid as Menidia aculeata (Barbour 1973) -- (Miller 2006:191 [ref. 28615]). •Valid as Chirostoma aculeatum Barbour 1973 -- (Espinosa Pérez et al. 1993:58 [ref. 22290], Dyer in Reis et al. 2003:518 [ref. 27061], Nelson et al. 2004:98 [ref. 27807], Scharpf 2007:6 [ref. 30398], Page et al. 2013:99 [ref. 32708], Page et al. 2023:139 [ref. 40505]). Current status: Valid as Chirostoma aculeatum Barbour 1973. Atherinopsidae: Menidiinae. Distribution: Southern North America: Lerma River basin, Pacific Slope (Mexico). Habitat: freshwater.