sphyraena, Chirostoma Boulenger [G. A.] 1900:55 [Annals and Magazine of Natural History (Series 7) v. 5 (no. 25) (art. 5); ref. 14717] Lake Chapala, Mexico. Holotype (unique): BMNH 1892.2.8.75. •Valid as Menidia sphyraena (Boulenger 1900) -- (Miller et al. 2006:201 [ref. 28615]). •Valid as Chirostoma sphyraena Boulenger 1900 -- (Espinosa Pérez et al. 1993:61 [ref. 22290], Dyer in Reis et al. 2003:519 [ref. 27061], Nelson et al. 2004:98 [ref. 27807], Scharpf 2007:8 [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], Fricke et al. 2024:423 [ref. 41622]). Current status: Valid as Chirostoma sphyraena Boulenger 1900. Atherinopsidae: Menidiinae. Distribution: Southern North America: Lago de Chapala basin and Río Lerma basin (Mexico) endemic. Habitat: freshwater.