Hynobius

Hynobius
Hynobius fossigenus
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Amphibia
Order:	Urodela
Suborder:	Cryptobranchoidea
Family:	Hynobiidae
Subfamily:	Hynobiinae
Genus:	Hynobius Tschudi, 1838

Hynobius is a genus of salamander (Asian salamanders) in the family Hynobiidae, occurring in Japan, Korea, China, Taiwan and Far East Russia. It is a large genus containing over 40 species. ^[1] The Japanese archipelago is the primary diversity hotspot for the genus, with nearly 67.3% of Hynobius species being endemic to it. ^[2]

Species

A larval Hynobius kimurae

Species included (as of June 2025): ^[3]

• Hynobius abei Sato, 1934
• Hynobius abuensis Matsui, Okawa, Nishikawa, and Tominaga, 2019
• Hynobius akiensis Matsui, Okawa, and Nishikawa, 2019
• Hynobius amabensis Sugawara and Nagano, 2023
• Hynobius amakusaensis Nishikawa and Matsui, 2014
• Hynobius amjiensis Gu, 1992
• Hynobius arisanensis Maki, 1922
• Hynobius bakan Matsui, Okawa, and Nishikawa, 2019
• Hynobius bambusicolus Wang, Othman, Qiu and Borzée, 2023
• Hynobius boulengeri (Thompson, 1912)
• Hynobius chinensis Günther, 1889
• Hynobius dunni Tago, 1931
• Hynobius formosanus Maki, 1922
• Hynobius fossigenus Okamiya, Sugawara, Nagano, and Poyarkov, 2018
• Hynobius fucus Lai and Lue, 2008
• Hynobius geiyoensis Sugawara, Naito, Iwata, and Nagano, 2022
• Hynobius geojeensis Min and Borzée, 2021
• Hynobius glacialis Lai and Lue, 2008
• Hynobius guabangshanensis Shen, 2004
• Hynobius guttatus Tominaga, Matsui, Tanabe, and Nishikawa, 2019
• Hynobius hidamontanus Matsui, 1987
• Hynobius hirosei Lantz, 1931
• Hynobius ikioi Matsui, Nishikawa, and Tominaga, 2017
• Hynobius iwami Matsui, Okawa, Nishikawa, and Tominaga, 2019
• Hynobius katoi Matsui, Kokuryo, Misawa, and Nishikawa, 2004
• Hynobius kimurae Dunn, 1923
• Hynobius kuishiensis Tominaga, Matsui, Tanabe, and Nishikawa, 2019
• Hynobius kunibiki Sugawara, Iwata, Yamashita, and Nagano, 2021
• Hynobius leechii Boulenger, 1887
• Hynobius lichenatus Boulenger, 1883
• Hynobius maoershanensis Zhou, Jiang, and Jiang, 2006
• Hynobius mikawaensis Matsui, Misawa, Nishikawa, and Shimada, 2017
• Hynobius miyazakiensis Sugawara, Nagano, and Sueyoshi, 2023
• Hynobius naevius (Temminck and Schlegel, 1838)
• Hynobius nagatoensis Sugawara, Tahara, Matsukoji, and Nagano, 2022
• Hynobius nebulosus (Temminck and Schlegel, 1838)
• Hynobius nigrescens Stejneger, 1907
• Hynobius nihoensis Sugawara, Nagano, and Nakazono, 2022
• Hynobius notialis Min and Borzée, 2021
• Hynobius okiensis Sato, 1940
• Hynobius oni Kanamori, Nishikawa, Matsui, and Tanabe, 2022
• Hynobius osumiensis Nishikawa and Matsui, 2014
• Hynobius oyamai Tominaga, Matsui, and Nishikawa, 2019
• Hynobius owariensis Sugawara, Fujitani, Seguchi, Sawahata, and Nagano, 2022
• Hynobius perplicatus Min and Borzée, 2021
• Hynobius quelpaertensis Mori, 1928
• Hynobius retardatus Dunn, 1923
• Hynobius sematonotos Tominaga, Matsui, and Nishikawa, 2019
• Hynobius sengokui Matsui, Misawa, Yoshikawa, and Nishikawa, 2022
• Hynobius setoi Matsui, Tanabe, and Misawa, 2019
• Hynobius setouchi Matsui, Okawa, Tanabe, and Misawa, 2019
• Hynobius shinichisatoi Nishikawa and Matsui, 2014
• Hynobius sonani (Maki, 1922)
• Hynobius stejnegeri Dunn, 1923
• Hynobius sumidai Sugawara, Naito, Iwata, and Nagano, 2022
• Hynobius takedai Matsui and Miyazaki, 1984
• Hynobius tokyoensis Tago, 1931
• Hynobius tosashimizuensis Sugawara, Watabe, Yoshikawa, and Nagano, 2018
• Hynobius tsuensis Abé, 1922
• Hynobius tsurugiensis Tominaga, Matsui, Tanabe, and Nishikawa, 2019
• Hynobius turkestanicus Nikolskii, 1910
• Hynobius unisacculus Min, Baek, Song, Chang, and Poyarkov, 2016
• Hynobius utsunomiyaorum Matsui and Okawa, 2019
• Hynobius vandenburghi Dunn, 1923
• Hynobius yangi Kim, Min, and Matsui, 2003
• Hynobius yiwuensis Cai, 1985

Intrinsic Phylogeny

Hynobius retardatus Hynobius boulengeri Hynobius kimurae Hynobius fuca Hynobius glacialis Hynobius formosanus Hynobius arisanensis Hynobius sonani Hynobius naevius Hynobius amjiensis Hynobius katoi Hynobius hidamontanus Hynobius yiwuensis Hynobius guabangshanensis Hynobius chinensis Hynobius maoershanensis Hynobius leechii Hynobius yangi Hynobius quelpaertensis Hynobius dunni Hynobius okiensis Hynobius tsuensis Hynobius nebulosus Hynobius stejnegeri Hynobius lichenatus Hynobius abei Hynobius tokyoensis Hynobius nigrescens Hynobius takedai

Intrinsic phylogeny tree of genus Hynobius. ^[4]

References

1. Matsui, Masafumi; Okawa, Hiroshi; Nishikawa, Kanto; Aoki, Gen; Eto, Koshiro; Yoshikawa, Natsuhiko; Tanabe, Shingo; Misawa, Yasuchika; Tominaga, Atsushi (2019-02-01). "Systematics of the Widely Distributed Japanese Clouded Salamander, Hynobius nebulosus (Amphibia: Caudata: Hynobiidae), and Its Closest Relatives". Current Herpetology. 38 (1): 32. doi:10.5358/hsj.38.32. ISSN   1345-5834.
2. Sugawara, Hirotaka; Iwata, Takayuki; Yamashita, Hitoshi; Nagano, Masahiro (2021-07-23). "Taxonomic Reassessment of the Izumo Lineage of Hynobius utsunomiyaorum: Description of a New Species from Chugoku, Japan". Animals. 11 (8): 2187. doi: 10.3390/ani11082187 . ISSN   2076-2615. PMC   8388460 . PMID   34438644.
3. "Hynobius Tschudi, 1838 | Amphibian Species of the World". amphibiansoftheworld.amnh.org. Retrieved 2025-06-27.
4. Alexander Pyron, R.; J. Weins, John (12 June 2011). "A large-scale phylogeny of Amphibia including over 2800 species, and a revised classification of extant frogs, salamanders, and caecilians" . Molecular Phylogenetics and Evolution. 61 (2). Elsevier: 543–583. Bibcode:2011MolPE..61..543A. doi:10.1016/j.ympev.2011.06.012. PMID   21723399 . Retrieved 8 April 2025.

External links

• AmphibiaWeb: Information on amphibian biology and conservation. [web application]. 2008. Berkeley, California: Hynobius. AmphibiaWeb, available at https://web.archive.org/web/20040827082534/http://www.amphibiaweb.org/ (Accessed: July 28, 2008).