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For the cell covering of dinoflagellates, see Amphiesma (dinoflagellates).
Amphiesma (keelbacks)
AB027 buff striped keelback 10.JPG
Amphiesma stolatum
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Subphylum: Vertebrata
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]


  1. ^ The Reptile Database.
  2. ^ Wikispecies.