thymalloides, Coregonus Richardson [J.] 1823:714 [10] [Narrative of a journey to the shores of the Polar Sea; ref. 18624] Rivers north of Great Slave Lake, Northwest Territories, Canada. No types known. On p. 10 of separate. •Synonym of Thymallus arcticus (Pallas 1776) -- (Scott & Crossman 1998:304 [ref. 24570]). •Synonym of Thymallus signifer (Richardson 1823) -- (Dyldin et al. 2017:116 [ref. 35967], Weiss et al. 2020:[3] [ref. 37974]). Current status: Synonym of Thymallus signifer (Richardson 1823). Salmonidae: Thymallinae. Habitat: freshwater, brackish, marine.