nigellus, Hyborhynchus Cope [E. D.] in Cope & Yarrow 1875:671 [Engineer Department, United States Army, Report upon the Geographical and Geological Explorations and Surveys west of the one hundredth Meridian v. 5 (Zoology) Chapter 6; ref. 968] Arkansas River at Pueblo, Pueblo County, Colorado, U.S.A. Lectotype: USNM 15793. Paralectotypes: MCZ 35904 [ex USNM 15793] (orig. 2, now 1), UMMZ 86879 [ex MCZ 35904 and USNM 15793] (1), USNM 15794 (orig. 23, now 21), 343580 [ex USNM 15793] (orig. 6, now 3), 343582-83 [ex USNM 15794] (2, 1). Type catalog: Gilbert 1998:119 [ref. 23395]. Lectotype selected by Gilbert 1998:119 [ref. 23395]. •Synonym of Pimephales promelas Rafinesque 1820 -- (Gilbert 1998:119 [ref. 23395]). Current status: Synonym of Pimephales promelas Rafinesque 1820. Leuciscidae: Pogonichthyinae. Habitat: freshwater.