tricolor, Thymallus Cope [E. D.] 1865:80 [Proceedings of the Academy of Natural Sciences of Philadelphia v. 17; ref. 907] Michigan, U.S.A. Lectotype: ANSP 7796 (in mutiple parts). Cope specimens, possible original syntypes/paralectotypes: ANSP 7795 [ex USNM 11088] (1, disintegrated); USNM 23217 (4 missing), 37862 (1, skin, missing); UMMZ 157347 (1), 213814 (1). Type catalog: Böhlke 1984:150 [ref. 13621]; see also Fowler 1918:5 [ref. 11665]. Lectotype established by Fowler 1912:555 •Synonym of Thymallus arcticus (Pallas 1776) -- (Baxter & Stone 1995:201 [ref. 23374], Scott & Crossman 1998:304 [ref. 24570]). •Questionably synonym of Thymallus signifer (Richardson 1823) -- (Dyldin et al. 2017:116 [ref. 35967]). •Synonym of Thymallus signifer (Richardson 1823) -- (Weiss et al. 2020:[4] [ref. 37974]). Current status: Synonym of Thymallus signifer (Richardson 1823). Salmonidae: Thymallinae. Habitat: freshwater, brackish, marine.