Species that contain: Chirostoma and humboldtianum [ 4 ] records

humboldtiana, Atherina Valenciennes [A.] in Cuvier & Valenciennes 1835:479, Pl. 306 [Histoire naturelle des poissons v. 10; ref. 1004] Mexico. Holotype (unique): ZMB 1885. Non-types: MSNG 13927 [ex ZMB] (1); ZMB 1884 (2), 1886-87 (1, 1). Type catalog: Tortonese 1963:333 [ref. 10350] as syntype. Paepke & Seegers 1986:176 [ref. 19981] regard ZMB 1885 as holotype and list questionable paratypes, but if Valenciennes had more than one specimen all must be considered syntypes; Valenciennes' description is apparently based on only one individual. •Valid as Menidia humboldtiana (Valenciennes 1835) -- (Herrera 1896:41 [ref. 39336], Miller 2006:197 [ref. 28615]). •Valid as Chirostoma humboldtianum (Valenciennes 1835) -- (Espinosa Pérez et al. 1993:60 [ref. 22290], Dyer in Reis et al. 2003:518 [ref. 27061], Nelson et al. 2004:98 [ref. 27807], Scharpf 2007:7 [ref. 30398], Page et al. 2013:100 [ref. 32708], Betancourt-Resendes et al. 2019:14 [ref. 37138], Piñeros et al. 2022:3 [ref. 39643], Page et al. 2023:139 [ref. 40505]). Current status: Valid as Chirostoma humboldtianum (Valenciennes 1835). Atherinopsidae: Menidiinae. Distribution: Southern North America: Pacific Slope (Mexico). Habitat: freshwater.

ocampoi, Chirostoma Álvarez [J.] 1963:197, Fig. 1 [Ciencia (Mexico City) v. 22 (no. 6); ref. 1003] Lake Zacapu, Zacapu, Michoacán, Mexico. Holotype: not researched. Paratypes: AMNH 20449 (2), BMNH 1963.4.1.2-3 (2), UANL 1010 [ex IPN P279] (2), UMMZ 180072 (2), USNM 197516 (2), + 19 more. Type catalog: Contreras-Balderas et al. 1998:5-6 [ref. 23752]. •Synonym of Chirostoma humboldtianum (Valenciennes 1835) -- (Dyer in Reis et al. 2003:519 [ref. 27061]). Current status: Synonym of Chirostoma humboldtianum (Valenciennes 1835). Atherinopsidae: Menidiinae. Habitat: freshwater.

regani, Chirostoma Jordan [D. S.] & Hubbs [C. L.] 1919:74 [Leland Stanford Jr. University Publications, University Series [1919]; ref. 2485] Xochimilco, Valley of Mexico, Mexico. Holotype: FMNH 3687. Paratypes: CAS-SU 63603 (2); FMNH 43151 (3), 59536 (10). •Synonym of Chirostoma humboldtianum (Valenciennes 1835) -- (Dyer in Reis et al. 2003:519 [ref. 27061]). Current status: Synonym of Chirostoma humboldtianum (Valenciennes 1835). Atherinopsidae: Menidiinae. Habitat: freshwater.

vomerina, Atherina Valenciennes [A.] in Cuvier & Valenciennes 1835:481 [Histoire naturelle des poissons v. 10; ref. 1004] Lake near Mexico City, Mexico. Holotype (unique): ZMB 1888. Type catalog: Blanc & Hureau 1971:722 [ref. 21541], Paepke & Seegers 1986:177 [ref. 19981]. •Synonym of Chirostoma humboldtianum (Valenciennes 1835) -- (Dyer in Reis et al. 2003:519 [ref. 27061]). Current status: Synonym of Chirostoma humboldtianum (Valenciennes 1835). Atherinopsidae: Menidiinae. Habitat: freshwater.