Onychodactylus nipponoborealis Kuro-o, Poyarkov, and Vieites, 2012

Class: Amphibia > Order: Caudata > Family: Hynobiidae > Subfamily: Onychodactylinae > Genus: Onychodactylus > Species: Onychodactylus nipponoborealis

Onychodactylus nipponoborealis Kuro-o, Poyarkov, and Vieites In Poyarkov, Che, Min, Kuro-o, Yan, Li, Iizuka, and Vieites, 2012, Zootaxa, 3465: 50. Holotype: NSMT H-5711, by original designation. Type locality: " Near the summit of Yasute Mt., environs of Hirakawa City, Aomori Prefecture, Japan. In the mountain brooks at an altitude of 450 m a.s.l., geographic coordinates: 40° 33′ N; 140° 38′ E."

Onychodactylus (Onychodactylus) nipponborealisDubois and Raffaëlli, 2012, Alytes, 28: 77-161.

English Names

Tohuku Clawed Salamander (original publication).


Mountainous areas of the northern part of the Tohoku region (Yamagata, Miyagi, Akita, Iwate and Aomori Prefectures), northern Honshu, Japan.

Geographic Occurrence

Natural Resident: Japan

Endemic: Japan


In the Onychodactylus japonicus complex according to the original publication. Raffaëlli, 2013, Urodeles du Monde, 2nd ed.: 49, provided a brief account, photo, and range map. Sparreboom, 2014, Salamanders Old World: 116–117, reviewed the biology, characteristics, distribution, reproduction, and conservation of the species. Raffaëlli, 2022, Salamanders & Newts of the World: 32–33, provided a detailed account, covering systematics, like history, distribution (including a polygon map), and conservation status. 

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