Species that contain: Hypentelium and nigricans [ 6 ] records

etowanus, Catostomus nigricans var. Jordan [D. S.] 1877:345 [Annals of the Lyceum of Natural History of New York v. 11 (nos 11-12) (art. 29); ref. 2373] Etowah River, Rome, Georgia, U.S.A. Syntypes: MNHN A-1270 (1); USNM 17885 (1), 31057 (1), 31060 (2), 31091 (1). Type catalog: Bertin & Estève 1948:10 [ref. 19574], Gilbert 1998:182 [ref. 23395], Gilbert 2009:159 [ref. 30728]. •Valid as Hypentelium etowanum (Jordan 1877) -- (Lee et al. 1980:401 [ref. 22416], Page & Burr 1991:180 [ref. 18983], Boschung 1992:61 [ref. 23239], Etnier & Starnes 1993:274 [ref. 22809], Mettee et al. 1996:343 [ref. 25836], Gilbert 1998:182 [ref. 23395], Fuller et al. 1999:167 [ref. 25838], Ross et al. 2001:271 [ref. 25978], Nelson et al. 2004:79 [ref. 27807], Boschung & Mayden 2004:303 [ref. 27995], Scharpf 2006:10 [ref. 30386], Page & Burr 2011:324 [ref. 31215], Page et al. 2013:80 [ref. 32708], Bagley et al. 2023:315 [ref. 41241], Page et al. 2023:64 [ref. 40505]). Current status: Valid as Hypentelium etowanum (Jordan 1877). Catostomidae: Catostominae. Distribution: North America: southern Tennessee, Georgia, Alabama and eastern Mississippi (southeastern U.S.A.). Habitat: freshwater.

macropterum, Exoglossum Rafinesque [C. S.] 1818:420, Pl. 17 (fig. 4) [Journal of the Academy of Natural Sciences, Philadelphia v. 1 (pt 2); ref. 3588] Red River, Cumberland River drainage, at Prices Mill, Simpson County, Kentucky, U.S.A. Neotype: UF 105630 [ex UF 19806]. Type catalog: Gilbert 1998:109 and 191 [ref. 23395]. Species account indicates illustration on fig. 3 of Pl. 17, but description matches fig. 4. Neotype designated by Gilbert 1998:191 [ref. 23395]. •Synonym of Hypentelium nigricans (Lesueur 1817) -- (Gilbert 1998:109 and 191 [ref. 23395] after neotype designation). Current status: Synonym of Hypentelium nigricans (Lesueur 1817). Catostomidae: Catostominae. Habitat: freshwater.

maculosus, Catostomus Lesueur [C. A.] 1817:103 [Journal of the Academy of Natural Sciences, Philadelphia v. 1 (pt 1, nos 5/6); ref. 2734] Pipe Creek [just northwest of Westminster, Carroll County], Maryland, U.S.A. Holotype (unique): whereabouts unknown. Type catalog: Gilbert 1998:191 [ref. 23395]. •Synonym of Hypentelium nigricans (Lesueur 1817) -- (Gilbert 1998:191 [ref. 23395]). Current status: Synonym of Hypentelium nigricans (Lesueur 1817). Catostomidae: Catostominae. Habitat: freshwater.

nigricans, Catostomus Lesueur [C. A.] 1817:102 [Journal of the Academy of Natural Sciences, Philadelphia v. 1 (pt 1, nos 5/6); ref. 2734] Lake Erie, North America. Holotype (unique): whereabouts unknown. Type catalog: Gilbert 1998:194 [ref. 23395]. •Valid as Hypentelium nigricans (Lesueur 1817) -- (Lee et al. 1980:402 [ref. 22416], Smith 1986:102 [ref. 22186], Robison & Buchanan 1988:270 [ref. 23393], McAllister 1990:55 [ref. 14674], Tomelleri & Eberle 1990:112 [ref. 24089], Page & Burr 1991:180 [ref. 18983], Boschung 1992:61 [ref. 23239], Etnier & Starnes 1993:275 [ref. 22809], Jenkins & Burkhead 1994:478 [ref. 21581], Warren et al. 1994:132 [ref. 25557], Knight & Hastings 1994:149 [ref. 25560], Stauffer et al. 1995:186 [ref. 23376], Cross & Collins 1995:124 [ref. 23394], Mettee et al. 1996:345 [ref. 25836], Gilbert 1998:194 [ref. 23395], Scott & Crossman 1998:554 [ref. 24570], Fuller et al. 1999:168 [ref. 25838], Lyons et al. 2000:33 [ref. 26594], Ross et al. 2001:272 [ref. 25978], Nelson et al. 2004:79 [ref. 27807], Bailey et al. 2004:117 [ref. 27882], Miller & Robison 2004:204 [ref. 27931], Boschung & Mayden 2004:304 [ref. 27995], Scharpf 2006:10 [ref. 30386], Page & Burr 2011:323 [ref. 31215], Page et al. 2013:80 [ref. 32708], Bagley et al. 2023:315 [ref. 41241], Page et al. 2023:64 [ref. 40505], Fricke et al. 2024:158 [ref. 41622]). Current status: Valid as Hypentelium nigricans (Lesueur 1817). Catostomidae: Catostominae. Distribution: North America: Atlantic and Gulf drainages (U.S.A.). Introduced in Baja California Sur and Tamaulipas (Mexico). Habitat: freshwater.

planiceps, Catostomus Valenciennes [A.] in Cuvier & Valenciennes 1844:450, Pl. 516 [Histoire naturelle des poissons v. 17; ref. 1010] Wabash River, presumably from vicinity of New Harmony, Posey County, Indiana, U.S.A. Syntypes: MNHN (2) lost. Type catalog: Gilbert 1998:196 [ref. 23395]. •Synonym of Hypentelium nigricans (Lesueur 1817) -- (Gilbert 1998:196 [ref. 23395]). Current status: Synonym of Hypentelium nigricans (Lesueur 1817). Catostomidae: Catostominae. Habitat: freshwater.

xanthopus, Catostomus Rafinesque [C. S.] 1820:303 [301 on page] [Western Review and Miscellaneous Magazine: a monthly publ., devoted to literature and science, Lexington, KY v. 2 (no. 5); ref. 5006] Below falls of Ohio River, at Louisville, Kentucky, U.S.A. No types known. Type catalog: Gilbert 1998:204 [ref. 23395]. Described as belonging to subgenus Carpiodes, but listed as above. Also in Rafinesque 1820:57 [ref. 3592] •Synonym of Hypentelium nigricans (Lesueur 1817) -- (Gilbert 1998:204 [ref. 23395]). Current status: Synonym of Hypentelium nigricans (Lesueur 1817). Catostomidae: Catostominae. Habitat: freshwater.