emiliae, Opsopoeodus Hay [O. P.] 1881:507 [Proceedings of the United States National Museum v. 3 (no. 179); ref. 2053] Artesia; Macon; and Enterprise, Mississippi, U.S.A. Syntypes: CAS-SU 620 (1, lost); UF 113784 [ex Bulter Univ. 110] (1), 115522 [ex Butler Univ. 111] (1); USNM 27429 (several, now 0). Plus additional material. Type catalog: Gilbert 1978:42 [ref. 7042], Gilbert 1998:75 [ref. 23395]. Type locality not restricted -- can only be restricted by lectotype designation or changed by neotype designation, contrary to Gilbert 1978. •Valid as Notropis emiliae (Hay 1881) -- (Gilbert 1978:42 [ref. 7042], Lee et al. 1980:262 [ref. 22416], Dimmick 1987:317 [ref. 11406], Robison & Buchanan 1988:209 [ref. 23393], McAllister 1990:62 [ref. 14674], Cross & Collins 1995:89 [ref. 23394], Scott & Crossman 1998:453 [ref. 24570]). •Valid as Opsopoeodus emiliae Hay 1881 -- (Page & Johnston 1990 [ref. 16703], Page & Burr 1991:129 [ref. 18983], Boschung 1992:57 [ref. 23239], Etnier & Starnes 1993:237 [ref. 22809], Warren et al. 1994:132 [ref. 25557], Knight & Hastings 1994:149 [ref. 25560], Mettee et al. 1996:291 [ref. 25836], Gilbert 1998:75 [ref. 23395], Briolay et al. 1998:101 [ref. 25586], Lyons et al. 2000:31 [ref. 26594], Ross et al. 2001:228 [ref. 25978], Nelson et al. 2004:76 [ref. 27807], Miller & Robison 2004:170 [ref. 27931], Boschung & Mayden 2004:259 [ref. 27995], Page & Burr 2011:249 [ref. 31215] with 2 subspecies, Page et al. 2013:76 [ref. 32708], Robins et al. 2018:114 [ref. 35886] with 2 subspecies). •Valid as Opsopoeodus emiliae Hay 1881, subspecies emiliae -- (Bailey et al. 2004:101 [ref. 27882], Scharpf 2005:33 [ref. 28940], Blanton et al. 2011:82 [ref. 31244]). •Valid as Opsopoeodus emiliae Hay 1881 -- (Stout et al. 2022:7 [ref. 39738], Page et al. 2023:74 [ref. 40505]). Current status: Valid as Opsopoeodus emiliae Hay 1881. Leuciscidae: Pogonichthyinae. Distribution: North America: central and southern U.S.A. Habitat: freshwater.