chalybaeus, Hybopsis Cope [E. D.] 1867:383 [Transactions of the American Philosophical Society (New Series) v. 13 (pt 3) (art. 13); ref. 910] Tributary of Schuykill River, near Conshohochen, Montgomery County Pennsylvania, U.S.A. Syntypes: ANSP (not found). Type catalog: Gilbert 1978:35 [ref. 7042], Böhlke 1984:72 [ref. 13621], Gilbert 1998:58 [ref. 23395]. •Valid as Notropis chalybaeus (Cope 1867) -- (Gilbert 1978:35 [ref. 7042], Lee et al. 1980:250 [ref. 22416], Smith 1986:187 [ref. 22186], Robison & Buchanan 1988:206 [ref. 23393], Page & Burr 1991:149 [ref. 18983], Boschung 1992:54 [ref. 23239], Jenkins & Burkhead 1994:437 [ref. 21581], Mettee et al. 1996:249 [ref. 25836], Gilbert 1998:58 [ref. 23395], Lyons et al. 2000:26 [ref. 26594], Ross et al. 2001:200 [ref. 25978], Nelson et al. 2004:74 [ref. 27807], Bailey et al. 2004:91 [ref. 27882], Miller & Robison 2004:145 [ref. 27931], Boschung & Mayden 2004:237 [ref. 27995], Scharpf 2005:28 [ref. 28940], Page & Burr 2011:281 [ref. 31215], Page et al. 2013:74 [ref. 32708], Robins et al. 2018:103 [ref. 35886]). •Valid as Alburnops chalybaeus (Cope 1867) -- (Stout et al. 2022:7 [ref. 39738], Bagley et al. 2023:313 [ref. 41241], Page et al. 2023:67 [ref. 40505]). Current status: Valid as Alburnops chalybaeus (Cope 1867). Leuciscidae: Pogonichthyinae. Distribution: North America: eastern and central U.S.A. Habitat: freshwater.