Species that contain: Spirinchus and thaleichthys [ 2 ] records

dilatus, Spirinchus Schultz [L. P.] & Chapman [W. M.] 1934:68, Pls. 2-3 [Annals and Magazine of Natural History (Series 10) v. 13 (no. 73) (art. 3); ref. 10159] 3-5 miles above mouth of Nooksack River near Ferndale, Washington, U.S.A. Holotype: USNM 104493 [ex UW 2336]. Paratypes: FMNH 32759 (1); CAS-SU 26768 (2); UMMZ 64462-63 (1, 6); USNM 92817 (2), 104961 [ex UW 2337], 202534 [ex UW 2336]. Type catalog: Böhlke 1953:16 [ref. 12291], Ibarra & Stewart 1987:81 [ref. 12367]. •Synonym of Spirinchus thaleichthys (Ayres 1860) -- (McAllister 1963:10 [ref. 8075], Lee et al. 1980:125 [ref. 22416], Scott & Crossman 1998:320 [ref. 24570], Mecklenburg et al. 2002:176 [ref. 25968], McPhail 2007:220 [ref. 31199]). Current status: Synonym of Spirinchus thaleichthys (Ayres 1860). Osmeridae. Habitat: freshwater, brackish, marine.

thaleichthys, Osmerus Ayres [W. O.] 1860:62, Fig. 12 [Proceedings of the California Academy of Sciences (Series 1) v. 2; ref. 17943] San Francisco Bay, California, U.S.A. No types known. •Valid as Spirinchus thaleichthys (Ayres 1860) -- (McAllister 1963:10 [ref. 8075], Lee et al. 1980:125 [ref. 22416], Eschmeyer & Herald 1983:82 [ref. 9277], McAllister 1990:78 [ref. 14674], Page & Burr 1991:57 [ref. 18983], Chereshnev 1996:602 [ref. 24659], Scott & Crossman 1998:317 [ref. 24570], Musick et al. 2000:11 [ref. 24959], Mecklenburg et al. 2002:176 [ref. 25968], Moyle 2002:234 [ref. 26449], Wydoski & Whitney 2003:104 [ref. 27816], Nelson et al. 2004:85 [ref. 27807], Love et al. 2005:33 [ref. 37547], Scharpf 2006:23 [ref. 30386], McPhail 2007:219 [ref. 31199], Page & Burr 2011:379 [ref. 31215], Maslenikov et al. 2013:6 [ref. 37947], Page et al. 2013:86 [ref. 32708], Pietsch & Orr 2015:21 [ref. 34694], Kells et al. 2016:96 [ref. 35888], Burton & Lea 2019:40 [ref. 37205], Love et al. 2021:52 [ref. 39279], Page et al. 2023:84 [ref. 40505]). Current status: Valid as Spirinchus thaleichthys (Ayres 1860). Osmeridae. Distribution: Northeastern Pacific: Alaska (U.S.A.) south to southern California (U.S.A.); anadromous and resident lake populations. Habitat: freshwater, brackish, marine.