Gloydius halys

Gloydius halys
On the Great Baikal Trail
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Order: Squamata
Suborder: Serpentes
Family: Viperidae
Genus: Gloydius
Species:
G. halys
Binomial name
Gloydius halys
(Pallas, 1776)
Synonyms
List
  • Coluber halys
    Pallas, 1776
  • [Vipera (Echidna) Aspis] Pallasii
    Merrem, 1820
  • Trigonocephalus Halys
    Lichtenstein In Eversmann & Lichtenstein, 1823
  • Vipera Halys
    — Lichtenstein In Eversmann & Lichtenstein, 1823
  • Trigonocephalus halys
    F. Boie, 1827
  • Trigonocephalus [(Halys)] Halys
    Gray, 1849
  • Halys pallasii
    Günther, 1864
  • Ancistrodon halys
    Boulenger, 1896
  • A[gkistrodon]. halys
    Stejneger, 1907
  • Ancistrodon halys halys
    Nikolsky, 1916
  • Agkistrodon halys halys
    Mertens & L. Müller, 1928
  • Gloydius halys halys
    Hoge & Romano-Hoge, 1981
Common names: Siberian pit viper, Halys viper, Halys pit viper, more.

Gloydius halys is a pit viper species found within a wide range that stretches across Asia, from Russia, east of the Urals, eastwards through China. Four subspecies are currently recognized, including the nominotypical form described here.