osculus, Argyreus Girard [C. F.] 1856:186 [22] [Proceedings of the Academy of Natural Sciences of Philadelphia v. 8; ref. 1810] Babocomori [Bobocomari], a tributary of Rio San Pedro, itself flowing into Gila River, Cochise County, Arizona, U.S.A. Syntypes: [all originally USNM 50] ANSP 1782 (1), MCZ 1954 (1), MNHN 0000-0445 (1), USNM 50 (orig. 10, now 3, plus 1 pair pharyngeal arches as #2663). Type catalog: Böhlke 1984:86 [ref. 13621], Gilbert 1998:127-128 [ref. 23395]. On p. 22 of separate. •Valid as Rhinichthys osculus (Girard 1856) -- (Lee et al. 1980:356 [ref. 22416], Peden & Hughes 1988:1846 [ref. 12855], McAllister 1990:65 [ref. 14674], Page & Burr 1991:100 [ref. 18983], Espinosa Pérez et al. 1993:20 [ref. 22290], Swift et al. 1993:117 [ref. 22379], La Rivers 1994:424 [ref. 23389], Baxter & Stone 1995:108 [ref. 23374], Andersen & Deacon 1996:124 [ref. 24717], Sigler & Sigler 1996:117 [ref. 25943], Gilbert 1998:127 [ref. 23395], Scott & Crossman 1998:501 [ref. 24570], Fuller et al. 1999:148 [ref. 25838], Moyle 2002:160 [ref. 26449], Wydoski & Whitney 2003:139 [ref. 27816], Oakey et al. 2004:207 [ref. 27694], Nelson et al. 2004:77 [ref. 27807], Scharpf 2005:38 [ref. 28940] with subspecies, Miller 2006:139 [ref. 28615], McPhail 2007:139 [ref. 31199], Minckley & Marsh 2009:168 [ref. 31114], Page & Burr 2011:205 [ref. 31215] with poorly known subspecies, Page et al. 2013:77 [ref. 32708], Hoekzema & Sidlauskas 2014:238 [ref. 35451] with a putative new species, Page et al. 2017:458 [ref. 35584], Page et al. 2023:75 [ref. 40505]). Current status: Valid as Rhinichthys osculus (Girard 1856). Leuciscidae: Pogonichthyinae. Distribution: Western North America: western Canada, western U.S.A. and northern Mexico. Habitat: freshwater.