athabascae, Leuciscus nachtriebi Bajkov [A. D.] 1927:399 [23] [Contributions to Canadian Biology and Fisheries (n. s.) v. 3 (no. 16); ref. 15776] Athabasca River and beaver dams at Old Fort Point near Jasper, Alberta (Canada). Syntypes: (8) whereabouts unknown. Type catalog: Gilbert 1998:44 [ref. 23395]. •Synonym of Semotilus margarita (Cope 1867) -- (Scott & Crossman 1998:516 [ref. 24570]). •Synonym of Margariscus margarita (Cope 1867), subspecies nachtriebi (Cox 1896) -- (Gilbert 1998:44 [ref. 23395]). •Synonym of Margariscus nachtriebi (Cox 1896). Current status: Synonym of Margariscus nachtriebi (Cox 1896). Leuciscidae: Plagopterinae. Habitat: freshwater.