plumbeus, Gobio Agassiz [L.] 1850:366 [Lake Superior; ref. 66] Lake Superior and Lake Huron, North America. Syntypes: BMNH 1867.4.12.6 (1); MCZ 1747 + MCZ 27507 (58), MCZ 18716 (1); UMMZ ?56282 (1), 86908 [ex MCZ 1747] (orig. 14, now 12); USNM 117540 [ex UMMZ 86908] (orig. 2, now 1), 120262 [ex MCZ 1747] (6); ZMB 5654 (?). Type catalog: Gilbert 1998:134 [ref. 23395]. •Valid as Couesius plumbeus (Agassiz 1850), subspecies plumbeus (Agassiz 1850) -- (Backus 1951:290 [ref. 41140]). •Valid as Couesius plumbeus (Agassiz 1850) -- (Lee et al. 1980:150 [ref. 22416], Smith 1986:135 [ref. 22186], McAllister 1990:59 [ref. 14674], Page & Burr 1991:89 [ref. 18983], Baxter & Stone 1995:60 [ref. 23374], Chereshnev 1996:599 [ref. 24659], Simons & Mayden 1997:195 [ref. 24948], Gilbert 1998:134 [ref. 23395], Scott & Crossman 1998:401 [ref. 24570], Fuller et al. 1999:58 [ref. 25838], Lyons et al. 2000:23 [ref. 26594], Mecklenburg et al. 2002:141 [ref. 25968], Wydoski & Whitney 2003:121 [ref. 27816], Nelson et al. 2004:68 [ref. 27807], Bailey et al. 2004:74 [ref. 27882], Scharpf 2005:12 [ref. 28940] with subspecies, McPhail 2007:65 [ref. 31199], Page & Burr 2011:189 [ref. 31215], Page et al. 2013:69 [ref. 32708], Page et al. 2023:68 [ref. 40505]). Current status: Valid as Couesius plumbeus (Agassiz 1850). Leuciscidae: Plagopterinae. Distribution: North America: Alaska (U.S.A.), Canada, northern U.S.A. Habitat: freshwater.