Please look in Eschmeyer's Catalog of Fishes for authorships of sections, Families of Fishes (all), and related information.

Species in the genus Ptychocheilus: [ 9 ] records

gracilis, Leuciscus Ayres [W. O.] 1854:1, col. 1 [Daily Placer Times and Transcript [newspaper] v. 5 (no. 1284); ref. 6368] Sacramento and San Joaquin rivers, California, U.S.A. No types known. Type catalog: Gilbert 1998:87 [ref. 23395]. Name regarded as misspelled gracilus originally. Objectively invalid; preoccupied by Leuciscus gracilis Agassiz 1850. Described by Ayres later in 1854 as Gila grandis. •Synonym of Ptychocheilus grandis (Ayres 1854) -- (Gilbert 1998:87 [ref. 23395]). 1°Homonym. Current status: Synonym of Ptychocheilus grandis (Ayres 1854). Leuciscidae: Laviniinae. Habitat: freshwater.

gracilis, Ptychocheilus Agassiz [L.] & Pickering [C.] in Agassiz 1855:229 [44] [American Journal of Science and Arts (Series 2) v. 19 (no. 56); ref. 5839] Willamette Falls, Oregon, U.S.A. Agassiz specimens (non-types): USNM 198 (3, lus 2 pharyngeal arches). Type catalog: Gilbert 1998:87 [ref. 23395]. On p. 44 of separate. •Synonym of Ptychocheilus oregonensis (Richardson 1836) -- (La Rivers 1994:376 [ref. 23389], Gilbert 1998:87 [ref. 23395]). Current status: Synonym of Ptychocheilus oregonensis (Richardson 1836). Leuciscidae: Laviniinae. Habitat: freshwater.

grandis, Gila Ayres [W. O.] 1854:10 [The Pacific [newspaper] v. 3 and 4 (thru no. 6); ref. 157] Sacramento and San Joaquin rivers, California, U.S.A. No types known. Type catalog: Gilbert 1998:88 [ref. 23395]. Appeared first as above on 15 Dec.; then in Ayres 1854:18 [ref. 18923]. •Valid as Ptychocheilus grandis (Ayres 1854) -- (Lee et al. 1980:347 [ref. 22416], Mayden et al. 1991:820, 833 [ref. 19123], Page & Burr 1991:68 [ref. 18983], Gilbert 1998:88 [ref. 23395], Scott & Crossman 1998:488 [ref. 24570], Fuller et al. 1999:140 [ref. 25838], Moyle 2002:155 [ref. 26449], Nelson et al. 2004:77 [ref. 27807], Scharpf 2005:37 [ref. 28940], Page & Burr 2011:161 [ref. 31215], Page et al. 2013:77 [ref. 32708], Page et al. 2023:75 [ref. 40505]). Current status: Valid as Ptychocheilus grandis (Ayres 1854). Leuciscidae: Laviniinae. Distribution: Western North America: California (U.S.A.). Habitat: freshwater.

harfordi, Ptychochilus Jordan [D. S.] & Gilbert [C. H.] 1881:72 [Proceedings of the United States National Museum v. 4 (no. 193); ref. 10601] Sacramento River, California, U.S.A. (obtained in San Francisco market). Syntypes: NMW 82001 [ex USNM 27246] (1), USNM 27246 (orig. 4, now 2). Type catalog: Gilbert 1998:90-91 [ref. 23395]. Original genus should have been spelled Ptychocheilus. •Synonym of Ptychocheilus grandis (Ayres 1854) -- (Gilbert 1998:91 [ref. 23395]). Current status: Synonym of Ptychocheilus grandis (Ayres 1854). Leuciscidae: Laviniinae. Habitat: freshwater.

lucius, Ptychocheilus Girard [C. F.] 1856:209 [45] [Proceedings of the Academy of Natural Sciences of Philadelphia v. 8; ref. 1810] Colorado River, California, U.S.A. Holotype (unique): USNM 203 (lost) (1 pharyngeal arch as #2757). Type catalog: Gilbert 1998:106 [ref. 23395]. On p. 45 of separate. •Valid as Ptychocheilus lucius Girard 1856 -- (Lee et al. 1980:348 [ref. 22416], Mayden et al. 1991:820, 833 [ref. 19123], Page & Burr 1991:68 [ref. 18983], Espinosa Pérez et al. 1993:20 [ref. 22290], Swift et al. 1993:117 [ref. 22379], La Rivers 1994:381 [ref. 23389], Baxter & Stone 1995:114 [ref. 23374], Sigler & Sigler 1996:109 [ref. 25943], Gilbert 1998:106 [ref. 23395], Scott & Crossman 1998:488 [ref. 24570], Moyle 2002:158 [ref. 26449], Nelson et al. 2004:77 [ref. 27807], Scharpf 2005:37 [ref. 28940], Miller et al. 2006:138 [ref. 28615], Minckley & Marsh 2009:161 [ref. 31114], Page & Burr 2011:160 [ref. 31215], Page et al. 2013:77 [ref. 32708], Page et al. 2023:75 [ref. 40505], Fricke et al. 2024:178 [ref. 41622]). Current status: Valid as Ptychocheilus lucius Girard 1856. Leuciscidae: Laviniinae. Distribution: Western North America: Río Colorado system, western U.S.A., and Baja California and Sonora (northwestern Mexico). Habitat: freshwater.

major, Ptychocheilus Agassiz [L.] 1855:229 [44] [American Journal of Science and Arts (Series 2) v. 19 (no. 56); ref. 5839] San Francisco, California, U.S.A. No types known. Type catalog: Gilbert 1998:109-110 [ref. 23395]. On p. 44 of separate. •Synonym of Ptychocheilus grandis (Ayres 1854) -- (Gilbert 1998:109-110 [ref. 23395]). Current status: Synonym of Ptychocheilus grandis (Ayres 1854). Leuciscidae: Laviniinae. Habitat: freshwater.

oregonensis, Cyprinus (Leuciscus) Richardson [J.] (ex Gairdner) 1836:305 [Fauna Boreali-Americana Part 3; ref. 3731] Columbia River, (probably Fort Vancouver), southern Washington, U.S.A. Holotype (unique): BMNH 1855.9.19.804. Type catalog: Gilbert 1998:126 [ref. 23395]. •Valid as Ptychocheilus oregonensis (Richardson 1836) -- (Lee et al. 1980:349 [ref. 22416], McAllister 1990:64 [ref. 14674], Mayden et al. 1991:819, 833 [ref. 19123], Page & Burr 1991:69 [ref. 18983], La Rivers 1994:376 [ref. 23389], Gilbert 1998:126 [ref. 23395], Scott & Crossman 1998:487 [ref. 24570], Fuller et al. 1999:141 [ref. 25838], Wydoski & Whitney 2003:132 [ref. 27816], Nelson et al. 2004:77 [ref. 27807], Scharpf 2005:37 [ref. 28940], McPhail 2007:120 [ref. 31199], Page & Burr 2011:161 [ref. 31215], Page et al. 2013:77 [ref. 32708], Page et al. 2023:75 [ref. 40505]). Current status: Valid as Ptychocheilus oregonensis (Richardson 1836). Leuciscidae: Laviniinae. Distribution: Western North America: northwestern U.S.A. and western Canada. Habitat: freshwater.

rapax, Ptychocheilus Girard [C. F.] 1856:209 [45] [Proceedings of the Academy of Natural Sciences of Philadelphia v. 8; ref. 1810] Lower Columbia River basin, Oregon, U.S.A. [not Monterey, California]. Holotype (unique): USNM 205. Type catalog: Gilbert 1998:139 [ref. 23395] with comments on locality. On p. 45 of separate. •Synonym of Ptychocheilus oregonensis (Richardson 1836) -- (Gilbert 1998:139 [ref. 23395]). Current status: Synonym of Ptychocheilus oregonensis (Richardson 1836). Leuciscidae: Laviniinae. Habitat: freshwater.

umpquae, Ptychocheilus Snyder [J. O.] 1908:170, Fig. 2c [Bulletin of the Bureau of Fisheries v. 27 (Doc. 638) (for 1907); ref. 10252] Callapooia Creek, Oakland, Douglas County, Oregon, U.S.A. Holotype: USNM 61577. Paratypes: ANSP 39128 (1), 92322 [ex UMMZ 65311] (1); CAS-SU 9862 (orig. 5, now 4); UMMZ 65311 (15); USNM 58161 (30), 61578 (6). Type catalog: Böhlke 1953:37 [ref. 12291], Böhlke 1984:94 [ref. 13621], Gilbert 1998:160 [ref. 23395]. "Undesignated paratypes of Gilbert 1998:160 [ref. 23395] probably should be treated as additonal material, since holotype and cotypes were listed. •Valid as Ptychocheilus umpquae Snyder 1908 -- (Lee et al. 1980:350 [ref. 22416], Mayden et al. 1991:820, 833 [ref. 19123], Page & Burr 1991:69 [ref. 18983], Gilbert 1998:160 [ref. 23395], Scott & Crossman 1998:488 [ref. 24570], Fuller et al. 1999:142 [ref. 25838], Nelson et al. 2004:77 [ref. 27807], Scharpf 2005:37 [ref. 28940], Page & Burr 2011:161 [ref. 31215], Page et al. 2013:77 [ref. 32708], Page et al. 2023:75 [ref. 40505]). Current status: Valid as Ptychocheilus umpquae Snyder 1908. Leuciscidae: Laviniinae. Distribution: Western North America: Oregon (U.S.A.). Habitat: freshwater.