paucidens, Salmo Richardson [J.] (ex Gairdner) 1836:222 [Fauna Boreali-Americana Part 3; ref. 3731] Columbia River, western North America. No types known. •Synonym of Oncorhynchus nerka (Walbaum 1792) -- (Okada 1961:301 [ref. 6363], La Rivers 1994:251 [ref. 23389], Scott & Crossman 1998:171 [ref. 24570], Dyldin & Orlov 2016:679 [ref. 34853]). Current status: Synonym of Oncorhynchus nerka (Walbaum 1792). Salmonidae: Salmoninae. Habitat: freshwater, brackish, marine.