marconis, Hybopsis aestivalis var. Jordan [D. S.] & Gilbert [C. H.] 1886:22 [Proceedings of the United States National Museum v. 9 (no. 549) (for 14 Aug. 1886); ref. 10626] Rio San Marcos, near San Marcos, Hays County, Texas, U.S.A. Syntypes: UMMZ 61573 [ex IU 5289] (1); USNM 36524 (17, now 16), 125136 [ex USBF 140] (2). Type catalog: Gilbert 1998:110 [ref. 23395]. •Synonym of Hybopsis aestivalis (Girard 1856) -- (Lee et al. 1980:180 [ref. 22416]). •Valid as Macrhybopsis marconis (Jordan & Gilbert 1886) -- (Gilbert 1998:110 [ref. 23395], Eisenhour 1999:969 [ref. 24184], Underwood et al. 2003:493 [ref. 27126], Nelson et al. 2004:73 [ref. 27807], Eisenhour 2004:34 [ref. 29854], Scharpf 2005:24 [ref. 28940], Page & Burr 2011:213 [ref. 31215], Page et al. 2013:73 [ref. 32708], Gilbert et al. 2017:501 [ref. 35222], Echelle et al. 2018:547 [ref. 35765], Page et al. 2023:72 [ref. 40505]). Current status: Valid as Macrhybopsis marconis (Jordan & Gilbert 1886). Leuciscidae: Pogonichthyinae. Distribution: Southern North America: Texas and New Mexico (U.S.A.). Habitat: freshwater.