taxonID	type	description	language	source
03F187E7FFBD521C7E93F966FD128495.taxon	type_taxon	Type species. Gymnostomus formosanus Regan 1908; junior synonym of Acrossocheilus paradoxus (Günther, 1868).	en	Hoang, Huy Duc, Jang-Liaw, Nian-Hong, Pham, Hung Manh, Tran, Ngan Trong, Durand, Jean-Dominique, Nguyen, Tao Dinh, Pfeiffer, John M., Page, Lawrence M. (2025): Validation of three new genera and a new species of Acrossocheilinae (Pisces: Teleostei) from Vietnam in Hoang et al. (2025). Zootaxa 5737 (4): 597-600, DOI: 10.11646/zootaxa.5737.4.10, URL: https://doi.org/10.11646/zootaxa.5737.4.10
03F187E7FFBC521C7E93FD8CFDED87CE.taxon	type_taxon	Type species. Barbus (Labeobarbus) brevifilis Peters, 1881	en	Hoang, Huy Duc, Jang-Liaw, Nian-Hong, Pham, Hung Manh, Tran, Ngan Trong, Durand, Jean-Dominique, Nguyen, Tao Dinh, Pfeiffer, John M., Page, Lawrence M. (2025): Validation of three new genera and a new species of Acrossocheilinae (Pisces: Teleostei) from Vietnam in Hoang et al. (2025). Zootaxa 5737 (4): 597-600, DOI: 10.11646/zootaxa.5737.4.10, URL: https://doi.org/10.11646/zootaxa.5737.4.10
03F187E7FFBC521C7E93FAF3FC8983B9.taxon	description	urn: lsid: zoobank. org: act: 20819 D 7 C-EB 73 - 4 A 5 F- 8444 - 939400 E 25 DBC	en	Hoang, Huy Duc, Jang-Liaw, Nian-Hong, Pham, Hung Manh, Tran, Ngan Trong, Durand, Jean-Dominique, Nguyen, Tao Dinh, Pfeiffer, John M., Page, Lawrence M. (2025): Validation of three new genera and a new species of Acrossocheilinae (Pisces: Teleostei) from Vietnam in Hoang et al. (2025). Zootaxa 5737 (4): 597-600, DOI: 10.11646/zootaxa.5737.4.10, URL: https://doi.org/10.11646/zootaxa.5737.4.10
03F187E7FFBC521C7E93FAF3FC8983B9.taxon	type_taxon	Type species. Varicorhinus argentatus Nguy ễn and Đoàn, 1969	en	Hoang, Huy Duc, Jang-Liaw, Nian-Hong, Pham, Hung Manh, Tran, Ngan Trong, Durand, Jean-Dominique, Nguyen, Tao Dinh, Pfeiffer, John M., Page, Lawrence M. (2025): Validation of three new genera and a new species of Acrossocheilinae (Pisces: Teleostei) from Vietnam in Hoang et al. (2025). Zootaxa 5737 (4): 597-600, DOI: 10.11646/zootaxa.5737.4.10, URL: https://doi.org/10.11646/zootaxa.5737.4.10
03F187E7FFBC521C7E93FAF3FC8983B9.taxon	diagnosis	Diagnosis. Hongiastoma (Figure 3 A, B) is distinguished from all other genera of Acrossocheilinae except Scaphostoma by having no barbels (at least in adult) and from Scaphostoma by having dorsal-fin origin behind or over (vs. in front of) pelvic-fin origin. It is further distinguished from Folifer by having horny sheath on lower jaw and lacking median lobe on lower lip, from Onychostoma by lacking distinct groove from snout to angle of mouth, and from Acrossocheilus by having sheath on lower jaw and lacking median interruption on fleshy lower lip.	en	Hoang, Huy Duc, Jang-Liaw, Nian-Hong, Pham, Hung Manh, Tran, Ngan Trong, Durand, Jean-Dominique, Nguyen, Tao Dinh, Pfeiffer, John M., Page, Lawrence M. (2025): Validation of three new genera and a new species of Acrossocheilinae (Pisces: Teleostei) from Vietnam in Hoang et al. (2025). Zootaxa 5737 (4): 597-600, DOI: 10.11646/zootaxa.5737.4.10, URL: https://doi.org/10.11646/zootaxa.5737.4.10
03F187E7FFBC521C7E93FD78FD018152.taxon	type_taxon	Type species. Onychostoma laticeps Günther, 1896, a junior synonym of O. simum (Sauvage and Dabry de Thiersant, 1874)	en	Hoang, Huy Duc, Jang-Liaw, Nian-Hong, Pham, Hung Manh, Tran, Ngan Trong, Durand, Jean-Dominique, Nguyen, Tao Dinh, Pfeiffer, John M., Page, Lawrence M. (2025): Validation of three new genera and a new species of Acrossocheilinae (Pisces: Teleostei) from Vietnam in Hoang et al. (2025). Zootaxa 5737 (4): 597-600, DOI: 10.11646/zootaxa.5737.4.10, URL: https://doi.org/10.11646/zootaxa.5737.4.10
03F187E7FFBC521C7E93FBCCFD0A8056.taxon	type_taxon	Type species. Scaphesthes tamusuiensis Oshima, 1919, a junior synonym of Scaphesthes barbatula (Pellegrin, 1908)	en	Hoang, Huy Duc, Jang-Liaw, Nian-Hong, Pham, Hung Manh, Tran, Ngan Trong, Durand, Jean-Dominique, Nguyen, Tao Dinh, Pfeiffer, John M., Page, Lawrence M. (2025): Validation of three new genera and a new species of Acrossocheilinae (Pisces: Teleostei) from Vietnam in Hoang et al. (2025). Zootaxa 5737 (4): 597-600, DOI: 10.11646/zootaxa.5737.4.10, URL: https://doi.org/10.11646/zootaxa.5737.4.10
03F187E7FFBC521F7E93F8A3FC7D8706.taxon	type_taxon	Type species. Crossochilus elongatus Pellegrin & Chevey, 1934	en	Hoang, Huy Duc, Jang-Liaw, Nian-Hong, Pham, Hung Manh, Tran, Ngan Trong, Durand, Jean-Dominique, Nguyen, Tao Dinh, Pfeiffer, John M., Page, Lawrence M. (2025): Validation of three new genera and a new species of Acrossocheilinae (Pisces: Teleostei) from Vietnam in Hoang et al. (2025). Zootaxa 5737 (4): 597-600, DOI: 10.11646/zootaxa.5737.4.10, URL: https://doi.org/10.11646/zootaxa.5737.4.10
03F187E7FFBC521F7E93F8A3FC7D8706.taxon	diagnosis	Diagnosis. Angustistoma (Figure 4 E, F) is distinguished from all other genera of Acrossocheilinae except Scaphesthes by having mouth width narrow to moderate and slender body, and from Scaphesthe s by having protruding snout, an arched mouth opening, and lateral scales> 47. It is further distinguished from Folifer by having horny sheath on lower jaw and lacking median lobe on lower lip, from Hongiastoma, Onychostoma, and Scaphostoma by having two pairs of barbels, and from Acrossocheilus by having sheath on lower jaw and lacking median interruption on fleshy lower lip.	en	Hoang, Huy Duc, Jang-Liaw, Nian-Hong, Pham, Hung Manh, Tran, Ngan Trong, Durand, Jean-Dominique, Nguyen, Tao Dinh, Pfeiffer, John M., Page, Lawrence M. (2025): Validation of three new genera and a new species of Acrossocheilinae (Pisces: Teleostei) from Vietnam in Hoang et al. (2025). Zootaxa 5737 (4): 597-600, DOI: 10.11646/zootaxa.5737.4.10, URL: https://doi.org/10.11646/zootaxa.5737.4.10
03F187E7FFBF521F7E93FA2CFCB282F5.taxon	description	urn: lsid: zoobank. org: act: AD 5 BE 60 C- 156 A- 4 C 16 - 8845 - CB 7 D 173 C 7300	en	Hoang, Huy Duc, Jang-Liaw, Nian-Hong, Pham, Hung Manh, Tran, Ngan Trong, Durand, Jean-Dominique, Nguyen, Tao Dinh, Pfeiffer, John M., Page, Lawrence M. (2025): Validation of three new genera and a new species of Acrossocheilinae (Pisces: Teleostei) from Vietnam in Hoang et al. (2025). Zootaxa 5737 (4): 597-600, DOI: 10.11646/zootaxa.5737.4.10, URL: https://doi.org/10.11646/zootaxa.5737.4.10
03F187E7FFBF521F7E93FA2CFCB282F5.taxon	materials_examined	Holotype. UNS 00758, 174 mm SL, female; An Lão drainage, Bình Đ ịnh Province, Vietnam (14 ° 40 ′ 30.6 ” N 108 ° 54 ′ 13.4 ” E, 547 m), 19 January 2013, Hoàng Đ ức Huy, Ph ạm M ạnh Hùng and Tr ần Tr ọng Ngân (Figure 7). Paratypes. An Lão drainage, Bình Đ ịnh Province, Vietnam (14 ° 40 ′ 30.6 ″ N 108 ° 54 ′ 13.4 ″ E): UNS 2013 - 19 - 01, 5 specimens, 118 – 189 mm SL, 19 January 2013; Re River, SƠn Hà, Qu ảng Ngãi Province, Vietnam (15 ° 01 ′ 03.9 ″ N 108 ° 31 ′ 55.0 ″ E): UF 249745, 5 specimens, 132 – 193 mm SL, 24 February 2018.	en	Hoang, Huy Duc, Jang-Liaw, Nian-Hong, Pham, Hung Manh, Tran, Ngan Trong, Durand, Jean-Dominique, Nguyen, Tao Dinh, Pfeiffer, John M., Page, Lawrence M. (2025): Validation of three new genera and a new species of Acrossocheilinae (Pisces: Teleostei) from Vietnam in Hoang et al. (2025). Zootaxa 5737 (4): 597-600, DOI: 10.11646/zootaxa.5737.4.10, URL: https://doi.org/10.11646/zootaxa.5737.4.10
03F187E7FFBF521F7E93FA2CFCB282F5.taxon	diagnosis	Diagnosis. Scaphostoma annamense is most closely related (Figure 2) and similar to S. fusiforme, S. krongnense, and S. meridionale but differs genetically and morphologically. It differs from S. fusiforme and S. meridionale in being deeper bodied (25 % – 33 % vs. 21 % – 24 % SL) and having a narrower mouth (1.3 – 1.7 vs. 2.0 – 2.3 times in head width), and from S. krongnoense in having 12 – 14 (vs. 14 – 17) predorsal scales. It further differs from S. fusiforme in having 12 – 14 (vs. 15 – 16) predorsal scales and a narrower caudal peduncle (1.8 – 2.6 vs. 3.0 – 3.6 times in its length) and from S. meridionale in having 46 – 49 (vs. 43 – 45) lateral-line scales. Data on S. fusiforme and S. meridionale are from [32] and on S. krongnoense from Hoang et al. [34].	en	Hoang, Huy Duc, Jang-Liaw, Nian-Hong, Pham, Hung Manh, Tran, Ngan Trong, Durand, Jean-Dominique, Nguyen, Tao Dinh, Pfeiffer, John M., Page, Lawrence M. (2025): Validation of three new genera and a new species of Acrossocheilinae (Pisces: Teleostei) from Vietnam in Hoang et al. (2025). Zootaxa 5737 (4): 597-600, DOI: 10.11646/zootaxa.5737.4.10, URL: https://doi.org/10.11646/zootaxa.5737.4.10
03F187E7FFBF521F7E93FD20FBA48033.taxon	description	urn: lsid: zoobank. org: act: A 90 CDDE 2 - 9 D 9 A- 456 C-B 9 FB- 2 EF 990385 C 6 C	en	Hoang, Huy Duc, Jang-Liaw, Nian-Hong, Pham, Hung Manh, Tran, Ngan Trong, Durand, Jean-Dominique, Nguyen, Tao Dinh, Pfeiffer, John M., Page, Lawrence M. (2025): Validation of three new genera and a new species of Acrossocheilinae (Pisces: Teleostei) from Vietnam in Hoang et al. (2025). Zootaxa 5737 (4): 597-600, DOI: 10.11646/zootaxa.5737.4.10, URL: https://doi.org/10.11646/zootaxa.5737.4.10
03F187E7FFBF521F7E93FD20FBA48033.taxon	type_taxon	Type species. Gymnostomus lepturus Boulenger, 1900	en	Hoang, Huy Duc, Jang-Liaw, Nian-Hong, Pham, Hung Manh, Tran, Ngan Trong, Durand, Jean-Dominique, Nguyen, Tao Dinh, Pfeiffer, John M., Page, Lawrence M. (2025): Validation of three new genera and a new species of Acrossocheilinae (Pisces: Teleostei) from Vietnam in Hoang et al. (2025). Zootaxa 5737 (4): 597-600, DOI: 10.11646/zootaxa.5737.4.10, URL: https://doi.org/10.11646/zootaxa.5737.4.10
03F187E7FFBF521F7E93FD20FBA48033.taxon	diagnosis	Diagnosis. Scaphostoma (Figures 4 A, B, 6 – 8) is distinguished from all other genera of Acrossocheilinae except Hongiastoma by having no barbels (at least in adult) and from Hongiastoma by having dorsal-fin origin in front of (vs. behind or over) pelvic-fin origin. It is further distinguished from Folifer by having sheath on lower jaw and lacking median lobe on lower lip, from Onychostoma by lacking distinct groove from snout to angle of mouth, and from Acrossocheilus by having sheath on lower jaw and lacking median interruption on fleshy lower lip.	en	Hoang, Huy Duc, Jang-Liaw, Nian-Hong, Pham, Hung Manh, Tran, Ngan Trong, Durand, Jean-Dominique, Nguyen, Tao Dinh, Pfeiffer, John M., Page, Lawrence M. (2025): Validation of three new genera and a new species of Acrossocheilinae (Pisces: Teleostei) from Vietnam in Hoang et al. (2025). Zootaxa 5737 (4): 597-600, DOI: 10.11646/zootaxa.5737.4.10, URL: https://doi.org/10.11646/zootaxa.5737.4.10
