chrysocephalus, Luxilus Rafinesque [C. S.] 1820:238 [Western Review and Miscellaneous Magazine: a monthly publ., devoted to literature and science, Lexington, KY v. 2 (no. 4); ref. 7310] Creek about 6 miles south-southwest of Danville, off state highway 35, Lincoln County, Kentucky, U.S.A. Neotype: UMMZ 174539. Type catalog: Gilbert 1978:37 [ref. 7042], Gilbert 1998:60 [ref. 23395], Gilbert 2009:159 [ref. 30728]. Also in Rafinesque 1820:48 [ref. 3592]. Neotype designated by Gilbert 1964:160 [ref. 12397]. •Valid as Notropis chrysocephalus (Rafinesque 1820) -- (Gilbert 1964:157 [ref. 12397], Gilbert 1978:37 [ref. 7042], Lee et al. 1980:256 [ref. 22416], Smith 1986:177 [ref. 22186], Robison & Buchanan 1988:207 [ref. 23393], McAllister 1990:62 [ref. 14674], Scott & Crossman 1998:383 [ref. 24570]). •Valid as Luxilus chrysocephalus Rafinesque 1820 -- (Page & Burr 1991:110 [ref. 18983], Boschung 1992:50 [ref. 23239], Etnier & Starnes 1993:182 [ref. 22809], Jenkins & Burkhead 1994:378 [ref. 21581], Warren et al. 1994:132 [ref. 25557], Knight & Hastings 1994:149 [ref. 25560], Stauffer et al. 1995:95 [ref. 23376], Cross & Collins 1995:71 [ref. 23394], Mettee et al. 1996:201 [ref. 25836], Gilbert 1998:60 [ref. 23395], Fuller et al. 1999:90 [ref. 25838], Lyons et al. 2000:23 [ref. 26594], Ross et al. 2001:164 [ref. 25978], Nelson et al. 2004:72 [ref. 27807], Bailey et al. 2004:78 [ref. 27882], Miller & Robison 2004:118 [ref. 27931], Boschung & Mayden 2004:192 [ref. 27995], Scharpf 2005:22 [ref. 28940] with subspecies, Page & Burr 2011:220 [ref. 31215] with 2 subspecies, Page et al. 2013:72 [ref. 32708], Robins et al. 2018:92 [ref. 35886], Stout et al. 2022:7 [ref. 39738], Bagley et al. 2023:314 [ref. 41241], Page et al. 2023:72 [ref. 40505]). Current status: Valid as Luxilus chrysocephalus Rafinesque 1820. Leuciscidae: Pogonichthyinae. Distribution: North America: eastern and central U.S.A. Habitat: freshwater.