amarus, Hudsonius Girard [C. F.] 1856:210 [46] [Proceedings of the Academy of Natural Sciences of Philadelphia v. 8; ref. 1810] Chesapeake Bay, and as far up the Potomac River as Washington D.C., U.S.A. Syntypes: ?ANSP 2062-63 (2); UMMZ 56292 [ex USNM 17] (1), USNM 15 (6, now 0, 1 pharyngeal arch as # 2636), 16 (7, now 0, 1 pair pharyngeal arches as # 2637), 17 (10 now 0, 4 sets or arches as # 2638). Type catalog: Gilbert 1978:25 [ref. 7042], Böhlke 1984:68 [ref. 13621], Gilbert 1998:39 [ref. 23395]. On p. 46 of separate. •Synonym of Notropis hudsonius (Clinton 1824) -- (Gilbert 1978:25 [ref. 7042], Smith 1986:195 [ref. 22186], Gilbert 1998:39 [ref. 23395], Scott & Crossman 1998:460 [ref. 24570]). •Synonym of Hudsonius hudsonius (Clinton 1824). Current status: Synonym of Hudsonius hudsonius (Clinton 1824). Leuciscidae: Pogonichthyinae. Habitat: freshwater.