Molecular phylogeny and biogeography of caecilians from Southeast Asia (Amphibia, Gymnophiona, Ichthyophiidae), with special reference to high cryptic species diversity in Sundaland

Kanto Nishikawa, Masafumi Matsui, Hoi Sen Yong, Norhayati Ahmad, Paul Yambun, Daicus M. Belabut, Ahmad Sudin, Amir Hamidy, Nikolai L. Orlov, Hidetoshi Ota, Natsuhiko Yoshikawa, Atsushi Tominaga, Tomohiko Shimada

研究成果: Article査読

29 被引用数 (Scopus)

抄録

We investigated the phylogenetic relationships and estimated the history of species diversification and character evolution in two ichthyophiid genera: Caudacaecilia and Ichthyophis. We estimated the phylogenetic relationships of 67 samples from 33 localities in Southeast Asia from 3840-bp sequences of the mitochondrial 12S rRNA, 16S rRNA, and cyt b genes using Bayesian inference, maximum likelihood, and maximum parsimony methods. The Southeast Asian samples formed a well-supported clade differentiated from a South Asian sample. The Southeast Asian clade was divided into two subclades, one containing samples from South China, Indochina, Malay Peninsula, and Java. The other consisted of samples from Borneo and the Philippines. Neither Caudacaecilia nor Ichthyophis was monophyletic, nor did samples with or without light stripes lateral to the body form clades. We found several distinct sympatric lineages and undescribed species, especially from Sundaland.

本文言語English
ページ(範囲)714-723
ページ数10
ジャーナルMolecular Phylogenetics and Evolution
63
3
DOI
出版ステータスPublished - 2012 6月
外部発表はい

ASJC Scopus subject areas

  • 生態、進化、行動および分類学
  • 分子生物学
  • 遺伝学

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