Analysis of Nomenclature, Classification, and Distribution of the Agkistrodon halys – Agkistrodon intermedius Complexes: a Critical Review

Nikolai L. Orlov, Andrei V. Barabanov


The paper includes the question of nomenclature and distribution of Palearctic Agkistrodon. The type specimens, type territories and diagnoses of species of Agkistrodon halys – A. intermedius complexes are given. Neotypes for a number of species are designated and described.


Reptilia; Serpentes; Viperidae; Crotalinae; Agkistrodon; Palearctic Asia; nomenclature; distribution

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