宁陕寡齿蛇1983(蛇亚目:蛇虻科)新属Stichophanes gen. nov的再分类及其食虫行为描述

IF 1.2 3区生物学 Q2 ZOOLOGY

Asian Herpetological Research Pub Date : 2014-01-01 DOI:10.3724/SP.J.1245.2014.00137

Xiaohe Wang, Kevin R. Messenger, E. Zhao, Chaodong Zhu

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引用次数: 9

摘要

对宁陕寡齿蛇(Oligodon ningshaanensis Yuan, 1983)的线粒体cytb基因和部分核c-mos基因进行了测序，重建了该类群在alethinophhidian snake中的系统发育关系。推断其与新世界Dipsadinae亚科和旧大陆种Thermophis baileyi有较强的亲缘关系。作者发现的半下颌形态与原始描述相矛盾，其与双翅蛇的相似性与我们的分子结果一致。取食试验表明，宁陕圆齿蝽是一种食道性捕食者，这是该物种的另一个无可比拟的特征。这种行为被描述并与其他已知的以鼻涕虫和蜗牛为食的蛇进行了比较。我们的主题的特殊位置的发现表明，建立一个新的属是必要的容纳这个独特的物种。

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Reclassification of Oligodon ningshaanensis Yuan, 1983 (Ophidia: Colubridae) into a New Genus, Stichophanes gen. nov with Description on Its Malacophagous Behavior

The complete mitochondrial cytb gene and the partial nuclear c-mos gene of Oligodon ningshaanensis Yuan, 1983 were sequenced and used for reconstructing the phylogenetic relationship of this taxon amongst alethinophidian snakes. Its strong affinity to the New World subfamily Dipsadinae and the Old World species Thermophis baileyi was inferred. Hemipenial morphology found by authors conflicts with the original description and its similarity with those of the dipsadid snakes is in accordance with our molecular results. Feeding tests show that O. ningshaanensis is a malacophagous predator, which is another matchless character for this species. This behavior is described and compared with other known slug- and snail-feeding snakes. The discovery of the particular position of our subject indicates that erecting a new genus is necessary accommodate this unique species.

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来源期刊

Asian Herpetological Research ZOOLOGY-

CiteScore

2.80

自引率

7.10%

发文量

441

审稿时长

>12 weeks

期刊介绍： AHR aims to provide a forum for herpetologists and related scientists interested in conducting international academic exchanges and joint studies, and a platform for introducing their newly made scientific and technological data, and publishing their research results and achievements in the world, but focusing on the Asian-Pacific Region. The principal criteria of AHR for acceptance of articles for publication are the quality and significance of the research, breadth of interest of the work to the readership, and the clarity and effectiveness of communication. AHR welcomes submission of manuscripts from authors in all countries of the world, though with a focus on the herpetological studies in the Asian and Pacific Region, including major articles, shorter communications and review articles.