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

Species in the genus Onychostoma: [ 45 ] records

alticorpus, Scaphiodontella Oshima [M.] 1920:126, Pl. 4 (fig. 1) [Proceedings of the Academy of Natural Sciences of Philadelphia v. 72; ref. 3313] Burako River, Ako [Pingtung], Taiwan. Holotype: ANSP 49948. Paratypes: (1) whereabouts unknown. Type catalog: Böhlke 1984:68 [ref. 13621] with a holotype, Ho & Shao 2011:30 [ref. 31432] with an unneeded lectotype. •Valid as Varicorhinus alticorpus (Oshima 1920) -- (Wu et al. 1977:304 [ref. 4807], Zhu 1995:60 [ref. 25213]). •Valid as Scaphesthes alticorpus (Oshima 1920) -- (Yue & Chen 1998:119 [ref. 26415]). •Valid as Onychostoma alticorpus (Oshima 1920) -- (Shan et al. in Yue 2000:131 [ref. 25272], Xin et al. 2009:261 [ref. 30708], Ho & Shao 2011:30 [ref. 31432], Jang-Liaw & Chen 2013:68 [ref. 32417], Hoang et al. 2015:123 [ref. 33811], Zhang et al. 2016:91 [ref. 34477]). Current status: Valid as Onychostoma alticorpus (Oshima 1920). Cyprinidae: Acrossocheilinae. Distribution: East Taiwan. Habitat: freshwater.

angustistomatus, Varicorhinus Fang [P.-W.] 1941:139 [Bulletin de la Société Zoologique de France v. 65 (no. 3) [for 1940]; ref. 13122] Sui-Fou, Szechuan, China. Syntypes: MNHN 1940-0138 (1), NRIBAS M.1690 (1), M. 1776-1778 (? now 2). Type catalog: Bertin & Estève 1948:48 [ref. 19574]. The species epithet angustistomatus is an adjective; it is spelled angustistomatum when in Onychostoma. •Valid as Varicorhinus angustistomatus Fang 1941 -- (Wu et al. 1977:313 [ref. 4807]). •Valid as Onychostoma angustistomatum (Fang 1941) (often seen as angustistomata) -- (Bănărescu 1971:245 [ref. 7666], Ding 1994:334 [ref. 21531], Shan et al. in Yue 2000:139 [ref. 25272], Tang et al. 2001:13 [ref. 25373], Xin et al. 2009:261 [ref. 30708], Hoang et al. 2015:123 [ref. 33811], Zhang et al. 2016:92 [ref. 34477], Song et al. 2018:160 [ref. 35890], Guo 2021:368 [ref. 38617]). Current status: Valid as Onychostoma angustistomatum (Fang 1941). Cyprinidae: Acrossocheilinae. Distribution: East Asia: Yangtze River basin, China. Habitat: freshwater.

argentatus, Gymnostomus Mai [D. Y.] (ex Hao & Hoa) 1978:48 [Identification of the fresh-water fishes of North Viet Nam v. 1; ref. 13511] Phong-Thô creek, Lai Châu Province, northern Vietnam. Syntypes: ?DVZUT. Apparently unavailable from Hao & Hoa 1969 according to Kottelat 1989:1102 [ref. 14361], but Kottelat 2001 [ref. 25482] reversed this interpretation and dated to Nguyen & Daon [= Hao & Hoa] 1969. •See account of Varicorhinus argentatus Nguyen & Doan 1969. •Valid as Gymnostomus argentatus Mai 1978 -- (Endruweit 2024:15 [ref. 41040]). •In the synonymy of Onychostoma lepturus (Boulenger 1900). Current status: Synonym of Onychostoma lepturus (Boulenger 1900). Cyprinidae: Acrossocheilinae.

argentatus, Varicorhinus Nguyen [V. H.] & Doan [L. H.] 1969:13, Fig. 11 in ref. 29795 [Some data on composition, origin, and distribution of cyprinid species in northern Vietnam; ref. 25483] Suoi Rut stream, Hoa Binh Province, Vietnam. Lectotype: RIAH 67. Paralectotypes: RIAH 67 (1). See Kottelat 2001:113, 119 [ref. 25482] for availability issues. Spelled in more than one way originally, and Kottelat 2001:119 [ref. 25482] as first reviser selected argentatus. See Nguyen & Doan 2008 [ref. 29793] for an English translation of ref. 25483. Lectotype selected by Roberts & Catania 2008:93 [ref. 29794]. •In the genus Onychostoma -- (Roberts & Catania 2008:96 [ref. 29794], Xin et al. 2009:260 [ref. 30708]). •Synonym of Onychostoma leptura (Boulenger 1900) with question -- (Kottelat 2013:129 [ref. 32989]). •Tentative synonym of Onychostoma lepturus (Boulenger 1900) -- (Kottelat 2001:32 [ref. 25482]). Current status: Synonym of Onychostoma lepturus (Boulenger 1900). Cyprinidae: Acrossocheilinae. Habitat: freshwater, brackish.

babeensis, Varicorhinus (Onychostoma) Nguyen [V. H.] & Nguyen [T. D.] in Nguyen & Ngô 2002:414, Fig. 203 [Freshwater fishes of Viet Nam. Volume I. Family Cyprinidae v. 1; ref. 28301] Lake Ba Be, Nam Mau village; Bac Kan Province, Vietnam. Holotype (unique): DHNLTN 98.25.025. •Probably a synonym of Onychostoma gerlachi (Peters 1881) -- (Xin et al. 2009:260 [ref. 30708]). •Valid as Onychostoma babeense (Nguyen & Nguyen 2002) -- (Kottelat 2013:128 [ref. 32989] with question). Current status: Uncertain as Onychostoma babeense (Nguyen & Nguyen 2002). Cyprinidae: Acrossocheilinae. Distribution: Southeast Asia: Ba Bê, Bac Kan Province, Vietnam [if valid]. Habitat: freshwater.

barbatulus, Gymnostomus Pellegrin [J.] 1908:263 [Bulletin du Muséum National d'Histoire Naturelle (Série 1) v. 14 (no. 6); ref. 14392] Lake Candidius, Taiwan. Holotype (unique): MNHN 1908-0169. Type catalog: Ho & Shao 2011:28 [ref. 31432]. •Valid as Onychostoma barbatula (Pellegrin 1908) -- (Shan et al. in Yue 2000:130 [ref. 25272], Zhang et al. 2016:92 [ref. 34477]). •Valid as Varicorhinus barbatulus (Pellegrin 1908) -- (Wu et al. 1977:302 [ref. 4807], Zheng et al. 1989:188 [ref. 21202], Chen et al. in Pan et al. 1991:158 [ref. 23876], Zhu 1995:60 [ref. 25213], Wang et al. 2004:1143 [ref. 27757], Ho & Shao 2011:28 [ref. 31432]). •Valid as Scaphesthes barbatulus (Pellegrin 1908) -- (Ho & Shao 2011: 30 [ref. 31432]). •Valid as Onychostoma barbatulum (Pellegrin 1908) -- (Xin et al. 2009:261 [ref. 30708], Jang-Liaw & Chen 2013:63 [ref. 32417], Kottelat 2013:129 [ref. 32989], Hoang et al. 2015:123 [ref. 33811], Song et al. 2018:161 [ref. 35890]). Current status: Valid as Onychostoma barbatulum (Pellegrin 1908). Cyprinidae: Acrossocheilinae. Distribution: Taiwan and China. Habitat: freshwater.

barbatus, Gymnostomus Lin [S.-Y.] 1931:113 [Carps and carp-like fishes; ref. 4019] Yaoshan, Kwangsi and southern Hunan, China. Lectotype: whereabouts unknown. Genus originally misspelled Gymnosfomus. Lectotype selected by Lin 1933:201. •Valid as Varicorhinus barbatus (Lin 1931) -- (Wu et al. 1977:302 [ref. 4807], Zheng et al. 1989:187 [ref. 21202], Chen et al. in Pan et al. 1991:157 [ref. 23876], Zhu 1995:60 [ref. 25213]). •Valid as Scaphesthes barbatus (Lin 1931) -- (Ding 1994:330 [ref. 21531], Tang et al. 2001:13 [ref. 25373]). •Valid as Onychostoma barbata (Lin 1931) -- (Bănărescu 1971:363 [ref. 20619], Shan et al. in Yue 2000:129 [ref. 25272], Zhang et al. 2016:92 [ref. 34477]). •Valid as Onychostoma barbatum (Lin 1931) -- (Xin et al. 2009:261 [ref. 30708], Kottelat 2013:129 [ref. 32989], Song et al. 2018:161 [ref. 35890]). Current status: Valid as Onychostoma barbatum (Lin 1931). Cyprinidae: Acrossocheilinae. Distribution: China. Habitat: freshwater.

brevibarba, Onychostoma Song [X.-L.], Cao [L.] & Zhang [E] 2018:154, Figs. 1, 2a [Zootaxa 4410 (no. 1); ref. 35890] Tributary on southern bank of Mi Shui discharging into Xiang Jiang of the middle Chang Jiang basin at Hengdong County, Hunan Province, South China, 26°54'7.18"N, 113°04'43.82"E. Holotype: IHB 2011062587. Paratypes: IHB. •Valid as Onychostoma brevibarba Song, Cao & Zhang 2018. Current status: Valid as Onychostoma brevibarba Song, Cao & Zhang 2018. Cyprinidae: Acrossocheilinae. Distribution: Xiang Jiang drainage, Chang Jiang basin, Hunan Province, South China. Habitat: freshwater.

brevis, Varicorhinus (Onychostoma) Wu [H.-W.] & Chen [?] in Wu, Lin, Chen, Chen & He 1977:318, Fig. 7-55 [The cyprinid fishes of China v. 2; ref. 4807] Sichuan, China. Syntypes: 1101 (1), 56-004 (1), 58-4-13 (1). •Valid as Varicorhinus brevis Wu & Chen 1977 -- (Zhu 1995:61 [ref. 25213]). •Valid as Onychostoma brevis (Wu & Chen 1977) -- (Ding 1994:341 [ref. 21531], Shan et al. in Yue 2000:146 [ref. 25272], Tang et al. 2001:13 [ref. 25373], Song et al. 2018:161 [ref. 35890]). Onychostoma breve (Wu & Chen 1977) -- (Xin et al. 2009:261 [ref. 30708], Hoang et al. 2015:123 [ref. 33811], Zhang et al. 2016:92 [ref. 34477]). Current status: Valid as Onychostoma breve (Wu & Chen 1977). Cyprinidae: Acrossocheilinae. Distribution: China. Habitat: freshwater.

daduensis, Onychostoma Ding [R.-H.] 1994:336 [English p. 610], Fig. 254 [The fishes of Sichuan, China; ref. 21531] Dadu River, Ebian County, Sichuan, China. Holotype: MSINR 75015. Paratypes: MSINR 00437 (1), 75010 (1), 80101 (1), 82018 (1), 82024 (1), 82142 (1). •Valid as Onychostoma daduense Ding 1994 [often as daduensis] -- (Shan et al. in Yue 2000:140 [ref. 25272], Xin et al. 2009:261 [ref. 30708], Hoang et al. 2015:123 [ref. 33811], Zhang et al. 2016:92 [ref. 34477]). •Synonym of Onychostoma angustistomatum (Fang 1941) -- (Guo 2021:368 [ref. 38617] as angustistomata). Current status: Synonym of Onychostoma angustistomatum (Fang 1941). Cyprinidae: Acrossocheilinae. Habitat: freshwater.

dongnaiensis, Onychostoma Hoàng [H. D.], Pham [H. M.] & Tran [N. T.] 2015:130, Figs. 3e-h, 5 [Zootaxa 3962 (no. 1); ref. 33811] Upper Da Teh main stream, middle Dong Nai drainage in montane evergreen forest in Lam Dong Province, Vietnam (11°36'13.80"N, 107°35’49.60"E), altitude 172 meters. Holotype: UNS00851. Paratypes: NSMT P, UNS, ZRC. •Valid as Onychostoma dongnaiense Hoàng, Pham & Tran 2015. Current status: Valid as Onychostoma dongnaiense Hoàng, Pham & Tran 2015. Cyprinidae: Acrossocheilinae. Distribution: Lam Ding Province, Vietnam. Habitat: freshwater.

elongatus, Crossochilus Pellegrin [J.] & Chevey [P.] 1934:340, 468, Fig. 3 (addendum) [Bulletin de la Société Zoologique de France v. 59 (no. 4); ref. 16448] Ngoi-Thai River at Nghia Lô, Tonkin, northern Vietnam. Holotype: MNHN 1934-263. Paratypes: (1) IOI 464 (1); MGHNL 42000281 [3584B] (1). Type catalog: Bertin & Estève 1948:54 [ref. 19574], Kottelat 1987:22 [ref. 11434]. Original genus is correctly Crossocheilus. See Kottelat 2000:38 [ref. 25040]. •Valid as Crossochilus elongatus Pellegrin & Chevey 1934 -- (Mai 1978:104 [ref. 13511]). •Valid as Acrossocheilus elongatus (Pellegrin & Chevey 1934) -- (Wu et al. 1977:284 [ref. 4807], Chu & Cui in Chu & Chen 1989:204 [ref. 13584], Zheng et al. 1989:182 [ref. 21202], Chen et al. in Pan et al. 1991:149 [ref. 23876], Zhu 1995:58 [ref. 25213], Shan et al. in Yue 2000:110 [ref. 25272], Zhang et al. 2016:92 [ref. 34477]). •Valid as Onychostoma elongatum (Pellegrin & Chevey 1934) -- (Kottelat 2000:84 [ref. 25486], Kottelat 2001:31 [ref. 25482], Kottelat 2001:63 [ref. 25780], Xin et al. 2009:261 [ref. 30708], Kottelat 2013:129 [ref. 32989]). Current status: Valid as Onychostoma elongatum (Pellegrin & Chevey 1934). Cyprinidae: Acrossocheilinae. Distribution: Vietnam and China. Habitat: freshwater.

elongatus, Varicorhinus Fang [P.-W.] 1941:138 [Bulletin de la Société Zoologique de France v. 65 (no. 3) [for 1940]; ref. 13122] San-Fan, Lo-Chien-Hsien, northern Kouan-Si (Kwangsi), China. Holotype: NRIBAS M.258. Paratypes: MNHN 1940-0137 (1), NRIBAS (?1). Type catalog: Bertin & Estève 1948:47-48 [ref. 19574]. Junior secondary homonym of Crossocheilus elongatus (Pellegrin & Chevey 1934) -- (Kottelat 2000:84 [ref. 25486]); replaced by Onychostoma fangi Kottelat 2000. See Rainboth 1996:98 [ref. 22772]. •Valid as Onychostoma elongata (Fang 1941) -- (Bănărescu 1971:245 [ref. 7666]). •Valid as Varicorhinus elongatus Fang 1941 -- (Wu et al. 1977:311 [ref. 4807], Chu & Cui in Chu & Chen 1989:217 [ref. 13584], Zheng et al. 1989:192 [ref. 21202], Zhu 1995:61 [ref. 25213], Kottelat 1998:41 [ref. 23436]). •Synonym of Onychostoma fangi Kottelat 2000 -- (Xin et al. 2009:261 [ref. 30378], Kottelat 2013:129 [ref. 32989]). 2°Homonym. Current status: Synonym of Onychostoma fangi Kottelat 2000. Cyprinidae: Acrossocheilinae. Habitat: freshwater.

erythrogenys, Gymnostomus Mai [D. Y.] (ex Hao & Hoa) 1978:49 [Identification of the fresh-water fishes of North Viet Nam v. 1; ref. 13511] Mountain streams of northern Vietnam. Syntypes: ?DVZUT. Apparently unavailable from Hao & Hoa 1969 according to Kottelat 1989:1102 [ref. 14361], but Kottelat 2001 [ref. 25482] reversed this interpretation and dated to Nguyen & Doan [= Hao & Hoa] 1969. •See account of Varicorhinus erythrogenys Nguyen & Doan 1969. •Valid as Gymnostomus erythrogenys Mai 1978 -- (Endruweit 2024:15 [ref. 41040]). Cyprinidae: Acrossocheilinae.

erythrogenys, Varicorhinus Nguyen [V. H.] & Doan [L. H.] 1969:13, Fig. 12 in ref. 29795 [Some data on composition, origin, and distribution of cyprinid species in northern Vietnam; ref. 25483] Suoi Rut stream, Hoa Binh Province and Thac Ba, Yen Bai Province, Vietnam. Lectotype: RIAH 1068. Paralectotypes: (2) RIAH 1068 (1). See Kottelat 2001:113, 120 [ref. 25482] for availability issues. Spelled in more than one way originally, and Kottelat 2001:120 [ref. 25482] as first reviser selected erythrogenys. See Nguyen & Doan 2008 [ref. 29793] for an English translation of ref. 25483. Lectotype selected by Roberts & Catania 2008:93 [ref. 29794]. •Referable to Onychostoma -- (Roberts & Catania 2008:96 [ref. 29794], Xin et al. 2009:260 [ref. 30708]). •Questionably a synonym of Onychostoma leptura (Boulenger 1900) -- (Kottelat 2013:129 [ref. 32989]). •Tentative synonym of Onychostoma lepturus (Boulenger 1900) -- (Kottelat 2001:32 [ref. 25482]). Current status: Synonym of Onychostoma lepturus (Boulenger 1900). Cyprinidae: Acrossocheilinae. Habitat: freshwater, brackish.

fangi, Onychostoma Kottelat [M.] 2000:85 [Journal of South Asian Natural History v. 5 (no. 1); ref. 25486] San-Fan, Lo-Chien-Hsien, northern Kouan-Si (Kwangsi), China. Holotype: NRIBAS M.258. Paratypes: MNHN 1940-0137 (1), NRIBAS (?1). •Replacement name for Varicorhinus elongatus Fang 1940, secondarily preoccupied in Onychostoma by Crossochilus elongatus Pellegrin & Chevey 1934. •Valid as Onychostoma fangi Kottelat 2000 -- (Kottelat 2001:31 [ref. 25482], Xin et al. 2009:261 [ref. 30708], Kottelat 2013:129 [ref. 32989], Hoang et al. 2015:123 [ref. 33811]). Replacement Name. Current status: Valid as Onychostoma fangi Kottelat 2000. Cyprinidae: Acrossocheilinae. Distribution: China. Habitat: freshwater.

fontouensis, Onychostoma laticeps var. Tchang [T.-L.] 1930:85 [Bulletin du Muséum National d'Histoire Naturelle (Série 2) v. 2 (no. 1); ref. 16211] Fontou, Szechuan, China. Holotype: MNHN 1934-0017. Type catalog: Bertin & Estève 1948:45-46 [ref. 19574] as foutouensis. •Synonym of Varicorhinus simus (Sauvage & Dabry de Thiersant 1874) -- (Wu et al. 1977:308 [ref. 4807]). •Synonym of Onychostoma sima (Sauvage & Dabry de Thiersant 1874) -- (Ding 1994:332 [ref. 21531], Zhang et al. 2016:93 [ref. 34477], Zhang et al. 2019:277 [ref. 36699]). •Synonym of Onychostoma simum (Sauvage & Dabry de Thiersant 1874) -- (Kottelat 2013:130 [ref. 32989]). Current status: Synonym of Onychostoma simum (Sauvage & Dabry de Thiersant 1874). Cyprinidae: Acrossocheilinae. Habitat: freshwater.

fusiforme, Onychostoma Kottelat [M.] 1998:40, Figs. 56-57 [Ichthyological Exploration of Freshwaters v. 9 (no. 1); ref. 23436] Nam Theun, from Ban Signo to about 6 kilometers upriver, Laos, 17°50'50"N, 105°03'00"E, Laos. Holotype: ZRC 41782. Paratypes: CMK 12521 (9), 12711 (10); DFV uncat. (5); NRM 36701 (3); ZRC 41814 (3); plus non-type material. •Valid as Onychostoma fusiforme Kottelat 1998 -- (Kottelat 2001:63 [ref. 25780], Xin et al. 2009:261 [ref. 30708], Kottelat 2013:129 [ref. 32989], Hoang et al. 2015:123, 137 [ref. 33811], Kottelat 2015:42 [ref. 33971], Song et al. 2018:161 [ref. 35890], Fu et al. 2021:9570 [ref. 39347]). Current status: Valid as Onychostoma fusiforme Kottelat 1998. Cyprinidae: Acrossocheilinae. Distribution: Southest Asia: upper and middle Mekong basin and Nam Theun (Laos and Yunnan/China). Habitat: freshwater.

gerlachi, Barbus Peters [W. (C. H.)] 1881:1034, Unnumbered plate fig. 5 [Monatsberichte der Königlichen Preussischen Akademie der Wissenschaften zu Berlin 1880; ref. 3456] Hong Kong, China. Syntypes: ZMB 11327 (1). •Valid as Varicorhinus gerlachi (Peters 1881) -- (Wu et al. 1977:310 [ref. 4807], Chu & Cui in Chu & Chen 1989:216 [ref. 13584] as gerachi, Zheng et al. 1989:191 [ref. 21202], Chen et al. in Pan et al. 1991:162 [ref. 23876], Zhu 1995:61 [ref. 25213], Chen in Chen 1998:161 [ref. 23556] as gerachi). •Valid as Onychostoma gerlachi (Peters 1881) -- (Bănărescu 1971:243 [ref. 7666], Mai 1978:39 [ref. 13511], Jin in Kuang et al. 1986:122 [ref. 26639] dated 1880, Doi 1997:8 [ref. 22832], Shan et al. in Yue 2000:136 [ref. 25272], Kottelat 2001:32 [ref. 25482], Kottelat 2001:63 [ref. 25780], Hoang et al. 2015:123, 136 [ref. 33811] Zhang et al. 2016:92 [ref. 34477], Song et al. 2018:161 [ref. 35890], Fu et al. 2021:9570 [ref. 39347], Taki et al. 2021:150 [ref. 39830]). Current status: Valid as Onychostoma gerlachi (Peters 1881). Cyprinidae: Acrossocheilinae. Distribution: Southeast Asia: Chao Phraya basin, Thailand to China. Habitat: freshwater.

imberbis, Capeta macrolepis Koller [O.] 1926:121 [Anzeiger der Kaiserlichen Akademie der Wissenschaften, Wien, Mathematisch-Naturwissenschaftliche Classe v. 63 (no. 13) (for 10 June); ref. 15797] River at Mt. Wu-tschi, Hainan Island, China. Syntypes: (3). •See Kottelat 2001:32 [ref. 25482]. •Questionably a synonym of Onychostoma gerlachi (Peters 1881) -- (Kottelat 2013:129 [ref. 32989]). Current status: Uncertain as Onychostoma gerlachi (Peters 1881). Cyprinidae: Acrossocheilinae. Habitat: freshwater.

krongnoensis, Onychostoma Hoàng [H. D.], Pham [H. M.] & Tran [N. T.] 2015:125, Figs. 2-3a-c [Zootaxa 3962 (no. 1); ref. 33811] Upper Ea Krong No drainage, upper Mekong River in montane evergreen forest in Bidoup-Nui Ba National Park, Lam Dong Province, Vietnam (12°15'17.36"N, 108°40'29.15"E), altitude 1077 meters. Holotype: UNS 00805. Paratypes: NSMT-P, UNS, ZRC. •Valid as Onychostoma krongnoense Hoàng, Pham & Tran 2015. Current status: Valid as Onychostoma krongnoense Hoàng, Pham & Tran 2015. Cyprinidae: Acrossocheilinae. Distribution: Lam Dong Province, Vietnam. Habitat: freshwater.

laticeps, Onychostoma Günther [A.] 1896:211 [13], Pl. 1 (fig. B) [Ezhegodnik, Zoologicheskago Muzeya Imperatorskoi Akademii Nauk 1896, v. 1 (no. 3); ref. 2019] Southern Kansu, River near Hui-hsien, China. Holotype (unique): ? ZISP. On p. 13 of separate. •Synonym of Onychostoma sima (Sauvage & Dabry de Thiersant 1874) -- (Bănărescu 1971:243 [ref. 7666]). •Synonym of Varicorhinus simus (Sauvage & Dabry de Thiersant 1874) -- (Wu et al. 1977:308 [ref. 4807]). •Valid as Onychostoma laticeps Günther 1896 -- (Mai 1978:40 [ref. 13511]). •Synonym of Onychostoma simum (Savage & Dabry de Thiersant 1874) -- (Kottelat 2013:130 [ref. 32989]). Current status: Synonym of Onychostoma simum (Sauvage & Dabry de Thiersant 1874). Cyprinidae: Acrossocheilinae. Distribution: China (if valid). Habitat: freshwater.

lepturus, Gymnostomus Boulenger [G. A.] 1900:961, Pl. 69 (fig. 1) [Proceedings of the Zoological Society of London 1899 (pt 4); ref. 14715] Five-fingers Mountains, Hainan Island, China. Holotype (unique): BMNH 1899.11.30.21. Specific name has to be treated as a noun (ICZN Art. 31.2.2). •Valid as Scaphesthes lepturus (Boulenger 1900) -- (Jin in Kuang et al. 1986:120 [ref. 26639] dated 1899). •Valid as Gymnostomus lepturus Boulenger 1900 -- (Mai 1978:46 [ref. 13511]). •Valid as Varicorhinus lepturus (Boulenger 1900) -- (Wu et al. 1977:305 [ref. 4807], Chu & Cui in Chu & Chen 1989:213 [ref. 13584], Zheng et al. 1989:188 [ref. 21202], Chen et al. in Pan et al. 1991:159 [ref. 23876], Zhu 1995:60 [ref. 25213], Zhang et al. 2016:92 [ref. 34477]). •Valid as Onychostoma lepturum (Boulenger 1900) -- (Jang-Liaw & Chen 2013:68 [ref. 32417]). •Valid as Onychostoma leptura (Boulenger 1900) -- (Bănărescu 1971:247 [ref. 7666], Shan et al. in Yue 2000:133 [ref. 25272], Kottelat 2013:129 [ref. 32989], Hoang et al. 2015:123, 136 [ref. 33811], Song et al. 2018:161 [ref. 35890]). •Valid as Onychostoma lepturus (Boulenger 1900) -- (Kottelat 2001:32 [ref. 25482], Kottelat 2001:63 [ref. 25780]). Current status: Valid as Onychostoma lepturus (Boulenger 1900). Cyprinidae: Acrossocheilinae. Distribution: Southeast Asia: China, Laos and Vietnam. Habitat: freshwater, brackish.

lini, Varicorhinus Wu [H.-W.] 1939:103 [Sinensia v. 10 (nos 1-6); ref. 4805] Yangso, Li Kiang, southern China. Syntypes: 121 (1), 137-138 (2). •Valid as Varicorhinus lini Wu 1939 -- (Wu et al. 1977:314 [ref. 4807], Zheng et al. 1989:192 [ref. 21202], Chen et al. in Pan et al. 1991:161 [ref. 23876], Zhu 1995:61 [ref. 25213]). •Valid as Onychostoma lini (Wu 1939) -- (Bănărescu 1971:246 [ref. 7666], Ding 1994:338 [ref. 21531], Shan et al. in Yue 2000:137 [ref. 25272], Tang et al. 2001:13 [ref. 25373], Xin et al. 2009:261 [ref. 30708], Kottelat 2013:129 [ref. 32989], Zhang et al. 2016:93 [ref. 34477], Song et al. 2018:161 [ref. 35890]). Current status: Valid as Onychostoma lini (Wu 1939). Cyprinidae: Acrossocheilinae. Distribution: China. Habitat: freshwater.

macrolepis, Gymnostomus (Gymnostomus) Bleeker [P.] 1871:32, Pl. 8 (fig. 2) [Verhandelingen der Koninklijke Akademie van Wetenschappen (Amsterdam) v. 12 (art. 2); ref. 6421] Chang Jiang [Yangtze River], China. Holotype (unique): MNHN 0000-5064. Type catalog: Bertin & Estève 1948:44 [ref. 19574]. •Valid as Varicorhinus macrolepis (Bleeker 1871) -- (Wu et al. 1977:300 [ref. 4807], Zhu 1995:60 [ref. 25213], Cheng & Zhou 1997:182 [ref. 26385], Wang et al. 2001:161 [ref. 26566]). •Valid as Scaphesthes macrolepis (Bleeker 1871) -- (Wang 1984:12 [ref. 22951], Ding 1994:328 [ref. 21531], Tang et al. 2001:13 [ref. 25373]). •Valid as Onychostoma macrolepis (Bleeker 1871) -- (Bănărescu 1971:357 [ref. 20619], Shan et al. in Yue 2000:127 [ref. 25272], Romero et al. 2009 [ref. 30522], Xin et al. 2009:261 [ref. 30708], Zhao et al. 2011:1550 [ref. 31493], Ma & Zhao 2012:109 [ref. 34891], Hoang et al. 2015:123 [ref. 33811], Zhang et al. 2016:93 [ref. 34477], Song et al. 2018:161 [ref. 35890], Guo 2021:361 [ref. 38617]). Current status: Valid as Onychostoma macrolepis (Bleeker 1871). Cyprinidae: Acrossocheilinae. Distribution: Yangtze River basin, China. Habitat: freshwater.

meridionale, Onychostoma Kottelat [M.] 1998:42, Fig. 58 [Ichthyological Exploration of Freshwaters v. 9 (no. 1); ref. 23436] Upper Xe Bangfai, about 1 kilometer upriver of confluence with stream descending from Phou Taloun (17°09'42"N, 100°12'33"E), Laos. Holotype: ZRC 41783. Paratypes: CMK 12263 (104), DFV uncat. (4), NRM 36702 (5), ZRC 41784 (5). •Valid as Onychostoma meridionale Kottelat 1998 -- (Kottelat 2001:63 [ref. 25780], Xin et al. 2009:261 [ref. 30708], Kottelat 2013:129 [ref. 32989], Hoang et al. 2015:123, 137 [ref. 33811], Kottelat 2015:42 [ref. 33971], Taki et al. 2021:150 [ref. 39830]). Current status: Valid as Onychostoma meridionale Kottelat 1998. Cyprinidae: Acrossocheilinae. Distribution: Southeast Asia: Mekong River basin, central and southern Laos and northern Cambodia. Habitat: freshwater.

microstomus, Gymnostomus Mai [D. Y.] (ex Hao & Hoa) 1978:47 [Identification of the fresh-water fishes of North Viet Nam v. 1; ref. 13511] Na-Rìììi River and Ngân Son River, northern Thailand. Syntypes: ?DVZUT. Apparently unavailable from Hao & Hoa 1969 according to Kottelat 1989:1102 [ref. 14361], but Kottelat 2001 [ref. 25482] reversed this interpretation and dated to Nguyen & Doan [= Hao & Hoa] 1969. •See account of Varicorhinus microstomus Nguyen & Doan 1969. •Valid as Gymnostomus microstomus Mai 1978 -- (Endruweit 2024:15 [ref. 41040]). •Questionably in the synonymy of Onychostoma lepturus (Boulenger 1900). Current status: Synonym of Onychostoma lepturus (Boulenger 1900). Cyprinidae: Acrossocheilinae.

microstomus, Varicorhinus Nguyen [V. H.] & Doan [L. H.] 1969:13, Fig. 13 in ref. 29795 [Some data on composition, origin, and distribution of cyprinid species in northern Vietnam; ref. 25483] Ta Khoa, Son La Province, Vietnam. Lectotype: RIAH 1070. See Kottelat 2001:113, 120 [ref. 25482] for availability issues. Spelled in more than one way originally, and Kottelat 2001:120 [ref. 25482] as first reviser selected microstomus. See Nguyen & Doan 2008 [ref. 29793] for an English translation of ref. 25483 with name as microstoma. Lectotype selected by Roberts & Catania 2008:93 [ref. 29794]. The type locality (Suoi Rut) or the specimen number (1070) is incorrect. •In the genus Onychostoma Günther 1896 -- (Roberts & Catania 2008:96 [ref. 29794], Xin et al. 2009:260 [ref. 30708]). •Questionably a synonym of Onychostoma leptura (Boulenger 1900) -- (Kottelat 2013:129 [ref. 32989]). •Questionably a synonym of Onychostoma lepturus (Boulenger 1900) -- (Kottelat 2001:32 [ref. 25482]). Current status: Uncertain as Onychostoma lepturus (Boulenger 1900). Cyprinidae: Acrossocheilinae. Habitat: freshwater.

minnanensis, Onychostoma Jang-Liaw [N.-H.] & Chen [I-S.] 2013:64, Figs. 1-3, 4a [Ichthyological Research v. 60 (no. 1); ref. 32417] Yuafeng River near Guangya Mountain, in the Jukong River basin, 24°55'46.99"N, 117°25'15.60"E, Jua-an County, Fujiam Provice, China, elevation 980 meters. Holotype: NMNSF 01970. Paratypes: NMMSF 01970-1 (2), 01969 (3); NTOUP-2009-10-077 (1), 2012-07-731 (3). Plus non-type material. Specific name is an adjective. •Valid as Onychostoma minnanense Jang-Liaw & Chen 2013 -- (Hoang et al. 2015:123 [ref. 33811] as minnanensis, Zhang et al. 2016:93 [ref. 34477] as minnanensis, Song et al. 2018:161 [ref. 35890]). Current status: Valid as Onychostoma minnanense Jang-Liaw & Chen 2013. Cyprinidae: Acrossocheilinae. Distribution: Tributaries of Julong River, Fujian Province, China. Habitat: freshwater.

ovalis, Onychostoma Pellegrin [J.] & Chevey [P.] 1936:22, Fig. 3 [Bulletin de la Société Zoologique de France v. 61 (no. 1); ref. 13734] Phu-Thô (Song Bua, Red River), Vietnam. Holotype (unique): MNHN 1935-0322. Type catalog: Bertin & Estève 1948:47 [ref. 19574]. •Valid as Onychostoma ovalis Pellegrin & Chevey 1936 -- (Bănărescu 1971:246 [ref. 7666]). •Valid as Onychostoma ovalis Pellegrin & Chevey 1936, subspecies ovalis (Pellegrin & Chevey 1936) -- (Shan et al. in Yue 2000:141 [ref. 25272], Zhang et al. 2016:93 [ref. 34477]). •Valid as Varicorhinus ovalis (Pellegrin & Chevey 1936) -- (Wu et al. 1977:315 [ref. 4807], Chu & Cui in Chu & Chen 1989:218 [ref. 13584], Zhu 1995:61 [ref. 25213]). •Valid as Onychostoma ovale Pellegrin & Chevey 1936 -- (Kottelat 2001:33 [ref. 25482], Xin et al. 2009:261 [ref. 30708], Hoang et al. 2015:123 [ref. 33811], Song et al. 2018:161 [ref. 35890]). Current status: Valid as Onychostoma ovale Pellegrin & Chevey 1936. Cyprinidae: Acrossocheilinae. Distribution: Vietnam and China. Habitat: freshwater.

rarus, Varicorhinus Lin [S.-Y.] 1933:204, Fig. 1 [Lingnan Science Journal, Canton v. 12 (no. 2); ref. 16496] Yunkiang, Kweichow, China. Holotype: SYSU. K108. Paratypes: USNM 94855 (1). •Valid as Varicorhinus rarus Lin 1933 -- (Wu et al. 1977:317 [ref. 4807], Zheng et al. 1989:194 [ref. 21202], Zhu 1995:61 [ref. 25213]). •Valid as Onychostoma rara (Lin 1933) -- (Bănărescu 1971:246 [ref. 7666], Ding 1994:340 [ref. 21531], Shan et al. in Yue 2000:144 [ref. 25272], Tang et al. 2001:13 [ref. 25373], Zhang et al. 2016:93 [ref. 34477]). •Valid as Onchostoma rarum (Lin 1933) -- (Xin et al. 2009:261 [ref. 30708], Hoang et al. 2015:123 [ref. 33811]). Current status: Valid as Onychostoma rarum (Lin 1933). Cyprinidae: Acrossocheilinae. Distribution: China. Habitat: freshwater.

rhomboides, Varicorhinus Tang [D.-S.] 1942:156, Fig. 1 [Lingnan Science Journal, Canton v. 20 (nos 2-4); ref. 4335] Kweiyang market, Kweichow Province, China. Holotype (unique): NKMC P0032. •Valid as Onychostoma rhomboides (Tang 1942) -- (Bănărescu 1971:246 [ref. 7666]). •Synonym of Varicorhinus ovalis (Pellegrin & Chevey 1936), but a valid subspecies rhomboides-- (Wu et al. 1977:316 [ref. 4807], Chu & Cui in Chu & Chen 1989:219 [ref. 13584], Zheng et al. 1989:193 [ref. 21202], Zhu 1995:61 [ref. 25213], Zhang et al. 2016:93 [ref. 34477] as ovalis). •Synonym of Onychostoma ovalis Pellegrin & Chevey 1936, but a valid subspecies -- (Shan et al. in Yue 2000:143 [ref. 25272]). •Synonym of Onychostoma ovale Pellegrin & Chevey 1936 -- (Xin et al. 2009:261 [ref. 30708]). Current status: Synonym of Onychostoma ovale Pellegrin & Chevey 1936. Cyprinidae: Acrossocheilinae. Habitat: freshwater.

robustus, Varicorhinus Nichols [J. T.] 1925:2 [American Museum Novitates No. 182; ref. 15554] Near Nanping, Fukien Province, China. Holotype: AMNH 8424. Paratypes: AMNH 10686 (11); FMNH 14689-90 (1, 1). Type catalog: Ibarra & Stewart 1987:85 [ref. 12367]. •Synonym of Onychostoma tamusuiensis (Oshima 1919) -- (Bănărescu 1971:358 [ref. 20619]). •Synonym of Varicorhinus barbatulus (Pellegrin 1908) -- (Wu et al. 1977:303 [ref. 4807]). •Synonym of Onychostoma barbatulum (Pellegrin 1908) based on placement of barbatulum. •Not treated by Zhang et al. 2016:92 [ref. 34477]. Current status: Synonym of Onychostoma barbatulum (Pellegrin 1908). Cyprinidae: Acrossocheilinae. Habitat: freshwater.

roulei, Barbus Wu [H.-W.] 1931:15, Fig. 2 [Contributions from the Biological Laboratory of the Science Society of China. (Zoological Series) v. 7 (no. 1); ref. 16348] Fukien, China. Holotype (unique): not researched. •Valid as Onychostoma roulei (Wu 1931) -- (Bănărescu 1971:358 [ref. 20619]). •Synonym of Varicorhinus lepturus (Boulenger 1900) -- (Wu et al. 1977:305 [ref. 4807], Zhang et al. 2016:92 [ref. 34477]). •Synonym of Onychostoma leptura (Boulenger 1900) -- (Kottelat 2013:129 [ref. 32989]). •Synonym of Onychostoma lepturus (Boulenger 1900). Current status: Synonym of Onychostoma lepturus (Boulenger 1900). Cyprinidae: Acrossocheilinae. Habitat: freshwater, brackish.

shansiensis, Varicorhinus Nichols [J. T.] 1925:2 [American Museum Novitates No. 182; ref. 15554] Niang-tze-kwan, Middle Hwang-ho drainage, Shansi Province, China. Holotype: AMNH 8425. Paratypes: AMNH 10680 (1), 10685 (1), 10687 (orig. 3, now 2). •Valid as Onychostoma shansiensis (Nichols 1925) -- (Bănărescu 1971:363 [ref. 20619]). •Synonym of Varicorhinus macrolepis (Bleeker 1871) -- (Wu et al. 1977:300 [ref. 4807], Cheng & Zhou 1997:182 [ref. 26385]). •Synonym of Onychostomus macrolepis (Bleeker 1871) -- (Romero et al. 2009 [ref. 30522]). Current status: Synonym of Onychostoma macrolepis (Bleeker 1871). Cyprinidae: Acrossocheilinae. Habitat: freshwater.

simus, Barbus (Systomus) Sauvage [H.-E.] & Dabry de Thiersant [P.] 1874:8 [Annales des Sciences Naturelles, Paris (Zoologie et Paléontologie) (Sér. 6) v. 1 (art. 5); ref. 15665] [Probably Yangtze basin], China. Holotype (unique): MNHN 0000-7952. Type catalog: Bertin & Estève 1948:44 [ref. 19574]. •Valid as Varicorhinus simus (Sauvage & Dabry de Thiersant 1874) -- (Wu et al. 1977:308 [ref. 4807], Chu & Cui in Chu & Chen 1989:215 [ref. 13584], Zheng et al. 1989:190 [ref. 21202], Chen et al. in Pan et al. 1991:164 [ref. 23876], Zhu 1995:61 [ref. 25213], Chen in Chen 1998:160 [ref. 23556]). •Valid as Onychostoma simum (Sauvage & Dabry de Thiersant 1874) (also seen as simus or sima) -- (Bănărescu 1971:243 [ref. 7666], Ding 1994:332 [ref. 21531], Shan et al. in Yue 2000:134 [ref. 25272], Tang et al. 2001:13 [ref. 25373], Zhang et al. 2016:93 [ref. 34477] with authorship as Dabry de Thiersant, Kottelat 2001:33 [ref. 25482], Xin et al. 2009:261 [ref. 30708], Kottelat 2013:130 [ref. 32989], Hoang et al. 2015:123 [ref. 33811], Song et al. 2018:161 [ref. 35890], Zhang et al. 2019:277 [ref. 36699] as sima, Guo 2021:365 [ref. 38617]). Current status: Valid as Onychostoma simum (Sauvage & Dabry de Thiersant 1874). Cyprinidae: Acrossocheilinae. Distribution: Yangtze River basin, China. Habitat: freshwater.

szechwanensis, Varicorhinus Chang [H.-W.] 1944:44 [Sinensia v. 15 (nos 1-6); ref. 5136] Loshan, Szechwan, China. Syntypes: ? Chang pers. coll. 2166 (1), 3700 (1). •Synonym of Varicorhinus angustistomatus Fang 1941 -- (Wu et al. 1977:313 [ref. 4807]). •Synonym of Onychostoma angustistomata (Fang 1941) -- (Bănărescu 1971:245 [ref. 7666], Ding 1994:334 [ref. 21531], Zhang et al. 2016:92 [ref. 34477], Guo 2021:368 [ref. 38617]). •Synonym of Onychostoma angustistomatum (Fang 1940). Current status: Synonym of Onychostoma angustistomatum (Fang 1941). Cyprinidae: Acrossocheilinae. Habitat: freshwater.

tamusuiensis, Scaphesthes Oshima [M.] 1919:209, Pl. 50 (fig. 1) [Annals of the Carnegie Museum v. 12 (nos 2-4); ref. 3312] Tamusui [Tamsui] River near Shinten, Taiwan. Lectotype: FMNH 59091 [ex CM 8228]. Paralectotypes: CAS-SU 23013 (3), 23058 (1), 23117-18 (2). Type catalog: Henn 1928:73 [ref. 12305], Böhlke 1953:38 [ref. 12291], Ibarra & Stewart 1987:78 [ref. 12367], Ho & Shao 2011:30 [ref. 31432]. The described specimen was designated lectotype by Eschmeyer 1998:1648 [ref. 23416]. •Valid as Onychostoma tamusuiensis (Oshima 1919) -- (Bănărescu 1971:358 [ref. 20619]). •Synonym of Varicorhinus barbatulus (Pellegrin 1908) -- (Wu et al. 1977:303 [ref. 4807]). •Synonym of Scaphesthes barbatulus (Pellegrin 1908) -- (Ho & Shao 2011:30 [ref. 31432]). •Synonym of Onychostoma barbatulum (Pellegrin 1908) -- (Zhang et al. 2016:92 [ref. 34477] as barbatula). Current status: Synonym of Onychostoma barbatulum (Pellegrin 1908). Cyprinidae: Acrossocheilinae. Habitat: freshwater.

tchangi, Coreius Dao [V. T.] & Mai [D. Y.] 1959:7, [Fig. 7] [ ref. 33118] Ben Yai Province, Ngoi Thia, tributary of Red River, Vietnam. Syntypes: ZMMUS 9450. Figure mentioned in text but not included in publication. •Synonym of Onychostoma elongatum (Pellegrin & Chevey 1934) with question -- (Kottelat 2013:129 [ref. 32989]). •In the synonymy of Onychostoma elongatum (Pellegrin & Chevey 1934) -- (Endruweit 2024:13 [ref. 41040]). Current status: Synonym of Onychostoma elongatum (Pellegrin & Chevey 1934). Cyprinidae: Acrossocheilinae. Habitat: freshwater.

thacbaensis, Varicorhinus (Onychostoma) Nguyen [V. H.] & Ngô [S. V.] 2002:412, Fig. 202 [Freshwater fishes of Viet Nam. Volume I. Family Cyprinidae v. 1; ref. 28301] Yen Bai Province, Lue Yen district, Phuc Loi, Ngio Thuong, Vietnam. Holotype: VNCNTTS I: H.01.73.09.01. Paratypes: VNCNTTS I: H.01.73.09.02 - H.01.73.08(or 09?).03 (5). •Probably should be regarded as a synonym of Onychostoma gerlachi (Peters 1881) -- (Xin et al. 2009:260 [ref. 30708]). •Synonym of Onychostoma fangi Kottelat 2000 -- (Kottelat 2013:129 [ref. 32989]). Current status: Synonym of Onychostoma fangi Kottelat 2000. Cyprinidae: Acrossocheilinae. Habitat: freshwater.

tshangi, Coreis Svetovidova [A. A.] 1978:261 [v. 16; ref. 9011] Ben Yai Province, Ngoi Thia, tributary of Red River, Vietnam. Genus should be Coreius. Name on specimen in MMSU collection sent from Vietnam, apparently not available. •Based on Coreius tchangi Dao & Mai 1959 -- (Endruweit 2024:13 [ref. 41040]). •Synonym of Onychostoma elongatum (Pellegrin & Chevey 1934) -- (Endruweit 2024:13 [ref. 41040] as Coreius tshangi Dao in Svetovida 1978). Current status: Synonym of Onychostoma elongatum (Pellegrin & Chevey 1934). Cyprinidae: Acrossocheilinae.

uniformis, Crossocheilus Mai [D. Y.] 1978:105, Fig. 45 [Identification of the fresh-water fishes of North Viet Nam v. 1; ref. 13511] Na-Ri River, northern Vietnam. Syntypes: DVZUT. •Tentatively treated as valid as Onychostoma uniforme (Mai 1978) -- (Kottelat 2001:33 [ref. 25482], Xin et al. 2009:261 [ref. 30708]). •Valid as Onychostoma uniforme (Mai 1978) -- (Hoang et al. 2015:137 [ref. 33811]). Current status: Valid as Onychostoma uniforme (Mai 1978). Cyprinidae: Acrossocheilinae. Distribution: Vietnam. Habitat: freshwater.

vietnamensis, Onychostoma Bănărescu [P. M.] 1971:244 [Revue Roumaine de Biologie, Série de Zoologie v. 16 (no. 4); ref. 7666] Song-Koi River, northern Vietnam. Holotype: MNHN B-2652. Paratypes: B-2653 (2). •Valid as Onychostoma vietnamense Bănărescu 1971 -- (Kottelat 2001:63 [ref. 25780] as cf. vietnamense). •Synonym of Onychostoma leptura (Boulenger 1900) -- (Kottelat 2013:129 [ref. 32989]). •Synonym of Onychostoma lepturus (Boulenger 1900) -- (Kottelat 2001:32 [ref. 25482]). Current status: Synonym of Onychostoma lepturus (Boulenger 1900). Cyprinidae: Acrossocheilinae. Habitat: freshwater.

virgulatum, Onychostoma Xin [Q.], Zhang [E] & Cao [W.-X.] 2009:236, Figs. 1,, 2a. [Ichthyological Exploration of Freshwaters v. 20 (no. 3); ref. 30708] Qiupu River, a tributary on the southern bank of the lower Chang Jiang [Yangtze River], Shitai County, Anhui Province, China. Holotype: IHASW 83IX2146. Paratypes: IHASW 83IX2144-45, 47-48 (4) [IHB]. Xin et al. 2009:255 [ref. 30708]. •Valid as Onychostoma virgulatum Xin, Zhang & Cao 2009 -- (Hoang et al. 2015:123 [ref. 33811], Zhang et al. 2016:94 [ref. 34477], Song et al. 2018:161 [ref. 35890]). Current status: Valid as Onychostoma virgulatum Xin, Zhang & Cao 2009. Cyprinidae: Acrossocheilinae. Distribution: Qiupu River, Yangtze River basin, China. Habitat: freshwater.

yeni, Varicorhinus (Onychostoma) Nguyen [V. H.] & Ngô [S. V.] in Nguyen & Ngô 2002:410, Fig. 201 [Freshwater fishes of Viet Nam. Volume I. Family Cyprinidae v. 1; ref. 28301] Ven Bai Province, Luc Yen districk, Phuc Loi, Ngoi Thuong, Vietnam. Holotype: VNCNTTS I: H.01.73.08.01. Paratypes: VNCNTTS I: H.01.73.08.02 - 03 (5). •Valid as Varicorhinus yeni Nguyen & Ngô 2002. •Probably should be regarded as a synonym of Onychostoma gerlachi (Peters 1881) -- (Xin et al. 2009:260 [ref. 30708]). •Questionably the same as Onychostoma fangi Kottelat 2000 -- (Kottelat 2013:129 [ref. 32989]). Current status: Synonym of Onychostoma fangi Kottelat 2000. Cyprinidae: Acrossocheilinae. Distribution: Yen Bai Province, Vietnam (if valid). Habitat: freshwater.