Hynobius hirosei Lantz, 1931

Class: Amphibia > Order: Caudata > Family: Hynobiidae > Subfamily: Hynobiinae > Genus: Hynobius > Species: Hynobius hirosei

Hynobius hirosei Lantz, 1931, Ann. Mag. Nat. Hist., Ser. 10, 7: 177. Syntypes: BMNH (2 specimens according to the original publication), these being BMNH 1946.9.6.48 and 1947.1.1.18 according to museum records. Type locality: "Mt. Ishizuchi, Shikoku, Japan".

Hynobius (Pachypalaminus) hirosei Dubois and Raffaëlli, 2012, Alytes, 28: 77-161.

Hynobius (Hynobius) hirosei — Raffaëlli, 2022, Salamanders & Newts of the World: 114.

English Names

Ishizuchi Salamander (Sparreboom, 2014, Salamanders Old World: 68). 

Distribution

Central and east-central mountains of Shikoku I., Japan.

Comment

Removed from the synonymy of Hynobius boulengeri by Nishikawa, Matsui, Tanabe, and Sato, 2007, Zool. Sci., Tokyo, 24: 752–766, where it had been placed by Sato, 1934, Zool. Mag., Tokyo, 46: 464–472. Raffaëlli, 2013, Urodeles du Monde, 2nd ed.: 73–74, provided a brief account, photo, and map. Sparreboom, 2014, Salamanders Old World: 68–69, reviewed the biology, characteristics, distribution, reproduction, and conservation of the species. Kanamori, Nishikawa, Matsui, and Tanabe, 2022, PeerJ, 10(e13891): 1–30, reviewed the evidentiary history of taxonomy of this species, and noted that with the naming of the Nanyo group of populations as Hynobius oni, nominal Hynobius hirosei was left paraphyletic, with the central Shikoku group more closely related to Hynobius oni than to the Tsurugi group of eastern Shikoku. The authors suggested that further taxonomic effort is warranted. Raffaëlli, 2022, Salamanders & Newts of the World: 114–116, provided an account, summarizing systematics, life history, population status, and distribution (including a polygon map). 

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