Onychodactylus

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Onychodactylus
Onychodactylus fischeri

Onychodactylus fischeri

Systematics
without rank: Amphibians (Lissamphibia)
Order : Tail amphibian (caudata)
Superfamily : Cryptobranchoidea
Family : Angular Newts (Hynobiidae)
Subfamily : Onychodactylinae
Genre : Onychodactylus
Scientific name of the  subfamily
Onychodactylinae
Dubois & Raffaëlli , 2012
Scientific name of the  genus
Onychodactylus
Tschudi , 1838
Drawing of Onychodactylus japonicus

Clawed salamander is a genus of Caudates (caudata) from the family of Asiatic salamander .

features

The skin of these newts is smooth. Lungs are absent. The palatal teeth are arranged in two continuous, arched rows. The rib furrows are well defined. The long, strong tail is slightly compressed at its end, but cylindrical at the base. There are five toes on each extremity. Fully developed larvae and adults have distinct, blackish, pointed claws. The larvae are rheophilic, which means that they live in rivers.

Occurrence

The distribution area of ​​the species of this genus includes the southern far east of Russia, the bordering China to Wŏnsan in Korea and in Japan the mountains on Honshū and Shikoku .

Systematics

The genus includes 7 species:

Individual evidence

  1. ↑ a b Sergius L. Kuzmin: The amphibians of Russia and neighboring areas. In: Die Neue Brehm-Bücherei Vol. 627. Westarp Sciences, Magdeburg 1995, ISBN 3-89432-457-0
  2. ↑ a b Darrel R. Frost: Amphibian Species of the World: an Online Reference. Version 5.5 (January 31, 2011). Electronic Database accessible at http://research.amnh.org/vz/herpetology/amphibia/ American Museum of Natural History, New York, USA.
  3. ↑ Natsuhiko Yoshikawa, Masafumi Matsui: A New Salamander of the Genus Onychodactylus from Tsukuba Mountains, Eastern Honshu, Japan (Amphibia, Caudata, Hynobiidae) . Current Herpetology 32 (1): 9-25. 2013

Web links

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