tenue, Moxostoma Agassiz [L.] 1855:88 [18] [American Journal of Science and Arts (Series 2) v. 19 (no. 55); ref. 71] Near Mobile, Alabama, U.S.A. Syntypes: [all originally in MCZ 2223] BMNH 1867.1.26.3 (1), MCZ 2223 (orig. 16, now 12), UMMZ 86992 (2), USNM 117527 [ex UMMZ 86992] (1), ZMB 5679 (1). Type catalog: Gilbert 1998:201 [ref. 23395]. On p. 18 of separate. •Valid as Erimyzon tenuis (Agassiz 1855) -- (Lee et al. 1980:400 [ref. 22416], Page & Burr 1991:179 [ref. 18983], Boschung 1992:61 [ref. 23239], Knight & Hastings 1994:149 [ref. 25560], Mettee et al. 1996:341 [ref. 25836], Gilbert 1998:201 [ref. 23395], Nelson et al. 2004:79 [ref. 27807], Boschung & Mayden 2004:302 [ref. 27995], Scharpf 2006:9 [ref. 30386], Page & Burr 2011:323 [ref. 31215], Page et al. 2013:80 [ref. 32708], Robins et al. 2018:133 [ref. 35886], Hunt et al. 2021:628 [ref. 38582], Bagley et al. 2023:315 [ref. 41241], Page et al. 2023:64 [ref. 40505]). Current status: Valid as Erimyzon tenuis (Agassiz 1855). Catostomidae: Catostominae. Distribution: North America: Alabama, Mississippi, Louisiana and Florida (southeastern U.S.A.). Habitat: freshwater.