Species that contain: Allosmerus and elongatus [ 2 ] records

attenuatus, Osmerus Lockington [W. N.] 1880:66 [Proceedings of the United States National Museum v. 3 (no. 123); ref. 2817] San Francisco, California, U.S.A. Syntypes: (6). •Synonym of Allosmerus elongatus (Ayres 1854) -- (McAllister 1963:25 [ref. 8075]). Current status: Synonym of Allosmerus elongatus (Ayres 1854). Osmeridae. Habitat: marine.

elongatus, Osmerus Ayres [W. O.] 1854:170 [The Pacific [newspaper] v. 3 and 4 (thru no. 6); ref. 157] San Francisco markets, California, U.S.A. Holotype: whereabouts unknown. Appeared first as above on 1 Sept.; then in Ayres 1854:17 [ref. 18923]. •Valid as Allosmerus elongatus (Ayres 1854) -- (McAllister 1963:25 [ref. 8075], Eschmeyer & Herald 1983:80 [ref. 9277], McAllister 1990:75 [ref. 14674], Nelson et al. 2004:85 [ref. 27807], Page et al. 2013:85 [ref. 32708], Pietsch & Orr 2015:20 [ref. 34694], Kells et al. 2016:94 [ref. 35888], Burton & Lea 2019:40 [ref. 37205], Love et al. 2005:32 [ref. 37547], Love et al. 2021:51 [ref. 39279], Page et al. 2023:83 [ref. 40505]). Current status: Valid as Allosmerus elongatus (Ayres 1854). Osmeridae. Distribution: Northeastern Pacific: southern British Columbia (Canada) south to southern California (U.S.A.). Habitat: marine.