pellosemeion, Atherinella crystallina Chernoff [B.] 1986:180, Figs. 45, 53-57 [Proceedings of the Academy of Natural Sciences of Philadelphia v. 138 (no. 1); ref. 5848] Río las Mancuernas 2 kilometers north-northwest of Mecatán on road to San Blas-Tepic highway, Nayarit, Mexico. Holotype: UMMZ 172020. Paratypes: ANSP 158519 (4); UMMZ 213591 (36, 5 c&s). •Mention -- (Miller 2006:189 [ref. 28615]). •Valid as Atherinella pellosemeion Chernoff 1986 -- (Espinosa Pérez et al. 1993:58 [ref. 22290], Dyer in Reis et al. 2003:517 [ref. 27061], Nelson et al. 2004:97 [ref. 27807] as pellosemion, Scharpf 2007:6 [ref. 30398] as pellosemion, Page et al. 2013:99 [ref. 32708] as pellosemion, Page et al. 2023:139 [ref. 40505]). Current status: Valid as Atherinella pellosemeion Chernoff 1986. Atherinopsidae: Menidiinae. Distribution: Southern North America: Río las Mancuernas drainage, Nayarit (Pacific slope of Mexico). Habitat: freshwater.