Hynobius retardatus Dunn, 1923

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

Hynobius retardatus Dunn, 1923, Proc. California Acad. Sci., Ser. 4, 12: 27. Holotype: CAS 35928, by original designation. Type locality: "Noboribetsu, Iburi Province, Hokkaido [Island]", Japan.

Hynobius (Hynobius) retardatusNakamura and Ueno, 1963, Japan. Rept. Amph. Color: 10.

Satobius retardatusAdler and Zhao, 1990, Asiat. Herpetol. Res., 3: 41; Dubois, Ohler, and Pyron, 2021, Megataxa, 5: 407. 

Hynobius retardatusMatsui, Sato, Tanabe, and Hayashi, 1992, Herpetologica, 48: 408-416.

Hynobius (Satobius) retardatusDubois and Raffaëlli, 2012, Alytes, 28: 77-161.

English Names

Noboribetsu Salamander (Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 28).

Yeso Salamander (Ananjeva, Borkin, Darevsky, and Orlov, 1988, Dict. Amph. Rept. Five Languages: 21).

Hokkaido Salamander (Goris and Maeda, 2004, Guide Amph. Rept. Japan: 26).


Hokkaido Island, Japan.


In the Hynobius lichenatus group. See Sasaki, 1924, J. Coll. Agr. Hokkaido Imp. Univ. Sapporo, 15: 1-36, for neotenic population. Thorn and Raffaëlli, 2000, Salamand. Ancien Monde: 69-75, and Raffaëlli, 2007, Les Urodèles du Monde: 54, provided brief accounts. Matsui, Sato, Tanabe, and Hayashi, 1992, Zool. Sci., Tokyo, 9, reported on electrophoretic population differentiation. Goris and Maeda, 2004, Guide Amph. Rept. Japan: 26-27, provided an account, map, and photograph. Raffaëlli, 2013, Urodeles du Monde, 2nd ed.: 61, provided a brief account, photo, and map. Sparreboom, 2014, Salamanders Old World: 86–89, reviewed the biology, characteristics, distribution, reproduction, and conservation of the species. 

External links:

Please note: these links will take you to external websites not affiliated with the American Museum of Natural History. We are not responsible for their content.