Species that contain: Platygobio and physignathus [ 1 ] records

physignathus, Ceratichthys Cope [E. D.] in Cope & Yarrow 1875:651 [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. Syntypes: ANSP 18699 (1). Type catalog: Böhlke 1984:87 [ref. 13621], Gilbert 1998:132 [ref. 23395]. •Synonym of Platygobio gracilis (Richardson 1836), subspecies gulonellus (Cope 1865) -- (Gilbert 1998:132 [ref. 23395]). Current status: Synonym of Platygobio gracilis (Richardson 1836). Leuciscidae: Pogonichthyinae. Habitat: freshwater.