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Hidden diversity in two widespread snake species (Serpentes: Xenodontini: Erythrolamprus) from South America.
Molecular Phylogenetics and Evolution ( IF 3.6 ) Pub Date : 2020-02-19 , DOI: 10.1016/j.ympev.2020.106772
Omar Torres-Carvajal 1 , Katherin C Hinojosa 1
Affiliation  

The spatial distribution of genetic diversity of widely distributed Neotropical tetrapods has been an active research field during the last decade, although it has focused on lowland (mostly Amazonian) taxa. In this paper we use phylogenetic analyses to explore the diversity within two widely distributed snake species, Erythrolamprus epinephelus and E. reginae. Specifically, we focus on Andean populations of the former and lowland samples of the latter. Our results show that Erythrolamprus epinephelus is paraphyletic and support recognition of the subspecies albiventris, fraseri and lamonae as distinct species. Regarding E. reginae, our results are in conflict with recent taxonomic proposals in that (1) E. reginae is paraphyletic, and (2) E. zweifeli from Trinidad and E. reginae from Amazonian Ecuador are not reciprocally monophyletic. Finally, we recommend caution when proposing taxonomic changes based on incomplete geographic and/or character sampling of widespread Neotropical taxa.

中文翻译:

来自南美的两种广泛分布的蛇种(Serpentes:Xenodontini:Erythrolamprus)的隐藏多样性。

在过去的十年中,分布广泛的新热带四足动物的遗传多样性的空间分布一直是一个活跃的研究领域,尽管它的重点是低地(主要是亚马逊河)类群。在本文中,我们使用系统发育分析来探讨两种广泛分布的蛇种(Erythrolamprus epinephelus和E. reginae)内的多样性。具体而言,我们重点关注前者的安第斯人口和后者的低地样本。我们的结果表明,Erythrolamprus epinephelus是共生的,并支持将albiventris,fraseri和lamonae亚种识别为不同的物种。关于瑞香大肠杆菌,我们的结果与最近的分类学建议相冲突,因为(1)瑞香大肠杆菌是共生的,而(2)特立尼达的E. zweifeli和亚马逊河厄瓜多尔的瑞香E. e并不是单亲的。最后,
更新日期:2020-02-20
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