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1 January 2018 Two New Species of Ansonia from Thailand (Anura: Bufonidae)
Masafumi Matsui, Wichase Khonsue, Somsak Panha
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The taxonomic status of two populations of stream toads of the genus Ansonia from Thailand, previously suspected to be specifically distinct on the basis of molecular data, are assessed using morphological and additional genetic data. In mtDNA phylogeny, each of the two Thai lineages, one from Pilok Subdistrict, Kanchanaburi, and another from Phuket Island, are separated from other congenerics from the Thai—Malay Peninsula by large genetic distances, comparable with those observed between other species in the genus. Although each of the two lineages is superficially similar to other species morphologically, they are distinguishable in several morphological traits and are considered to represent valid, independently evolving species. We therefore describe them as A. pilokensis sp. nov. and A. phuketensis sp. nov.

© 2018 Zoological Society of Japan
Masafumi Matsui, Wichase Khonsue, and Somsak Panha "Two New Species of Ansonia from Thailand (Anura: Bufonidae)," Zoological Science 35(1), 39-48, (1 January 2018).
Received: 30 May 2017; Accepted: 1 September 2017; Published: 1 January 2018
Ansonia phuketensis
Ansonia pilokensis
MtDNA phylogeny
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