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Abstract
A new species of Acanthosaura from Yunnan, China is described based on unique morphometric and meristic external characters and a very distinctive color pattern. The fourteenth species recorded of this genus, Acanthosaura tongbiguanensissp. nov., was previously considered A. lepidogaster although it more closely resembles A. crucigera. It can be separated from all other species of the genus by having different numbers of subdigital lamellae on the fourth finger and toe, and a different shape of the black eye patch. The new species differs genetically from investigated congeners by percentage distance of 14.46% to 23.27% (cytochrome b gene).
Highlights
The genus Acanthosaura (Gray, 1831) includes thirteen currently recognized species: A. armata (Hardwicke & Gray, 1827); A. lepidogaster (Cuvier, 1829); A. capra (Günther, 1861); A. coronata (Günther, 1861); A. crucigera Boulenger, 1885; A. nataliae Orlov et al, 2006; A. bintangensis Wood et al, 2009; A. titiwangsaensis Wood et al, 2009; A. cardamomensis Wood et al, 2010; A. brachypoda Ananjeva et al, 2011; A. phuketensis Pauwels et al, 2015; A. murphyi Nguyen et al, 2018; and A. phongdienensis Nguyen et Copyright Shuo Liu, Dingqi Rao
According to Zhao et al (1999) and Yang et al (2008), two species of the genus Acanthosaura are distributed in China and only A. lepidogaster is found in Yunnan Province
Acanthosaura collections from Myanmar and other Southeast Asian countries were not available for comparative analyses, we could demonstrate that Acanthosaura tongbiguanensis sp. nov. is a distinct species using data available from literature (Hardwicke and Gray 1827; Cuvier 1829; Günther 1861; Boulenger 1885; Orlovet al. 2006; Manthey 2008; Wood et al 2009, 2010, Ananjeva et al 2011; Grismer 2011; Pauwels et al 2015; Nguyen et al 2018; Nguyen et al 2019)
Summary
The genus Acanthosaura (Gray, 1831) includes thirteen currently recognized species: A. armata (Hardwicke & Gray, 1827); A. lepidogaster (Cuvier, 1829); A. capra (Günther, 1861); A. coronata (Günther, 1861); A. crucigera Boulenger, 1885; A. nataliae Orlov et al, 2006; A. bintangensis Wood et al, 2009; A. titiwangsaensis Wood et al, 2009; A. cardamomensis Wood et al, 2010; A. brachypoda Ananjeva et al, 2011; A. phuketensis Pauwels et al, 2015; A. murphyi Nguyen et al, 2018; and A. phongdienensis Nguyen et Copyright Shuo Liu, Dingqi Rao. It has a very wide distribution, and phylogenetic studies have shown that the genus was in need of revision as it included several undescribed and cryptic species as revealed by molecular data (Kalyabina-Hauf et al 2004; Ananjeva et al 2008). During our field research in Dehong Autonomous Prefecture, Yunnan Province, China, we discovered some lizards that looked superficially like Acanthosaura lepidogaster. According to Zhao et al (1999) and Yang et al (2008), two species of the genus Acanthosaura are distributed in China and only A. lepidogaster is found in Yunnan Province. Morphological and molecular data show that this population is clearly distinct from all other named species, and we describe and name it
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