gulonellus, Pogonichthys (Platygobio) Cope [E. D.] 1865:277 [Proceedings of the Academy of Natural Sciences of Philadelphia v. 16; ref. 13927] Tributary of North Fork of Platte River, Near Bridger's Pass, Wyoming, U.S.A. Syntypes: ANSP 2064 (1), 2068-71 (4). Type catalog: Böhlke 1984:78 [ref. 13621] and Gilbert 1998:89 [ref. 23395] as holotype (2064) and paratypes; no holotype was established originally. •Synonym of Hybopsis gracilis (Richardson 1836), but a valid subspecies -- (Lee et al. 1980:186 [ref. 22416]). •Synonym of Platygobio gracilis (Richardson 1836), but a valid subspecies -- (Gilbert 1998:89 [ref. 23395], Scharpf 2005:36 [ref. 28940]). Current status: Synonym of Platygobio gracilis (Richardson 1836). Leuciscidae: Pogonichthyinae. Distribution: South-central U.S.A. [subspecies gulonellus]. Habitat: freshwater.