Miralles Aurelien, Glaw Frank, Ratsoavina Fanomezana M, Vences Miguel
CNRS-UMR5175 CEFE, Centre d'Ecologie Fonctionnelle et Evolutive, 119 route de Mende, 34293 Montpellier cedex 5, France Division of Evolutionary Biology, Zoological Institute, Technical University of Braunschweig, Mendelssohnstr. 4, 38106 Braunschweig, Germany; Email:
Zoologische Staatssammlung München, Münchhausenstr. 21, 81247 München, Germany; Email: unknown.
Zootaxa. 2015 Apr 9;3946(2):201-20. doi: 10.11646/zootaxa.3946.2.3.
A new species of the hitherto monotypic genus Chalarodon is described from southern Madagascar and a lectotype (ZMB 4360) is designated for C. madagascariensis Peters, 1854. The new species of terrestrial iguana, Chalarodon steinkampi sp. nov., is defined by several morphological characters and by concordant differentiation in mitochondrial and nuclear DNA with >5% uncorrected pairwise genetic distance in the 16S rRNA gene. It can be most clearly recognized by the presence of smooth (vs. keeled) gular and ventral scales, a spotted pattern extending from flanks onto belly, and an unpigmented throat. The new species is known from only a small area between the villages of Amboasary Sud and Esomony, located west of the Andohahela Massif, while C. madagascariensis appears to be widespread over much of southern and western Madagascar. We highlight the need for further exploration of this unprotected region which might host several other microendemic species.
一种来自马达加斯加南部的新物种被描述，它属于此前单型属的查拉龙属，并为1854年彼得斯命名的马达加斯加查拉龙指定了一个选模标本（ZMB 4360）。这种新的陆栖鬣蜥物种——斯坦坎皮查拉龙（Chalarodon steinkampi sp. nov.），由几个形态特征以及线粒体和核DNA的一致分化所定义，在16S rRNA基因中未校正的成对遗传距离大于5%。它最明显的识别特征是喉部和腹部鳞片光滑（而非有棱）、从侧面延伸到腹部的斑点图案以及无色素沉着的喉部。该新物种仅在安多哈赫拉地块以西的安博萨里南和埃索莫尼村之间的小区域被发现，而马达加斯加查拉龙似乎广泛分布于马达加斯加南部和西部的大部分地区。我们强调需要进一步探索这个未受保护的区域，这里可能还存在其他几种微型特有物种。
