hayi, Hybognathus Jordan [D. S.] 1885:548 [Proceedings of the United States National Museum v. 7 (no. 467); ref. 10466] Pearl River at Jackson, Hinds County, Mississippi, U.S.A. Lectotype: USNM 32306. Paralectotypes: USNM 195573 [ex USNM 32306] (9). Additional material: CAS-SU 4112 (2). Type catalog: Böhlke 1953:32 [ref. 12291], Gilbert 1998:91 [ref. 23395]. Böhlke 1953:32 [ref. 12291] lists specimens (SU 4112) from Grenada, Mississippi as paratypes and USNM 32306 as holotype. The syntypic series (32306) from Jackson, Mississippi were listed as "special types of the species." Lectotype selected by Fingerman & Suttkus 1961:462 [ref. 22242]. Specimens from additional localities sent to the National Museum by Hay are regarded as additional material. •Valid as Hybognathus hayi Jordan 1885 -- (Fingerman & Suttkus 1961:462 [ref. 22242], Lee et al. 1980:176 [ref. 22416], Warren Jr. & Cicerello 1982:3 [ref. 40469], Robison & Buchanan 1988:178 [ref. 23393], Warren & Burr 1989 [ref. 13845], Page & Burr 1991:109 [ref. 18983], Boschung 1992:48 [ref. 23239], Etnier & Starnes 1993:171 [ref. 22809], Schmidt 1994:622 [ref. 22424], Warren et al. 1994:132 [ref. 25557], Knight & Hastings 1994:149 [ref. 25560], Bestgen & Propst 1996:51 [ref. 22399], Mettee et al. 1996:189 [ref. 25836], Gilbert 1998:91 [ref. 23395], Ross et al. 2001:157 [ref. 25978], Nelson et al. 2004:71 [ref. 27807], Miller & Robison 2004:106 [ref. 27931], Boschung & Mayden 2004:183 [ref. 27995], Scharpf 2005:20 [ref. 28940], Page & Burr 2011:219 [ref. 31215], Page et al. 2013:71 [ref. 32708], Robins et al. 2018:89 [ref. 35886], Page et al. 2023:71 [ref. 40505]). Current status: Valid as Hybognathus hayi Jordan 1885. Leuciscidae: Pogonichthyinae. Distribution: Eastern North America: eastern and central U.S.A. Habitat: freshwater.