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Amphiesma (keelbacks)
AB027 buff striped keelback 10.JPG
Amphiesma stolatum
Scientific classification e
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Order: Squamata
Suborder: Serpentes
Family: Colubridae
Subfamily: Natricinae
Genus: Amphiesma
A.M.C. Duméril, Bibron,
& A.H.A. Duméril, 1854

Amphiesma is a genus of colubrid snakes, commonly known as keelbacks because of their keeled dorsal scales. They are all nonvenomous.

Geographic range[edit]

Amphiesma species occur in southern and eastern Asia, including Siberia, Korea, China, the Indian subcontinent, Indochina, Southeast Asia, Japan, and Indonesia.


The following 42 species are recognized:[1][2]

Nota bene: A binomial authority in parentheses indicates that the species was originally described in a genus other than Amphiesma.


In 2014 Guo et al. placed most species of Amphiesma in the genus Hebius.[3] One exception is Amphiesma stolatum, which they kept in the genus Amphiesma.


  1. ^ "Amphiesma ". The Reptile Database.
  2. ^ "Amphiesma ". Wikispecies.
  3. ^ "Hebius ". The Reptile Database.

External links[edit]