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Phylogenetic relationships in the genus Cheracebus (Callicebinae, Pitheciidae).
American Journal of Primatology ( IF 2.4 ) Pub Date : 2020-07-11 , DOI: 10.1002/ajp.23167
Jeferson Carneiro 1, 2 , Iracilda Sampaio 1, 2 , Thaynara Lima 2 , José de S Silva-Júnior 3 , Izeni Farias 4 , Tomas Hrbek 4 , João Valsecchi 5 , Jean Boubli 6 , Horacio Schneider 1, 2
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Cheracebus is a new genus of New World primate of the family Pitheciidae, subfamily Callicebinae. Until recently, Cheracebus was classified as the torquatus species group of the genus Callicebus. The genus Cheracebus has six species: C. lucifer, C. lugens, C. regulus, C. medemi, C. torquatus, and C. purinus, which are all endemic to the Amazon biome. Before the present study, there had been no conclusive interpretation of the phylogenetic relationships among most of the Cheracebus species. The present study tests the monophyly of the genus and investigates the relationships among the different Cheracebus species, based on DNA sequencing of 16 mitochondrial and nuclear markers. The phylogenetic analyses were based on Maximum Likelihood, Bayesian Inference, and multispecies coalescent approaches. The divergence times and genetic distances between the Cheracebus taxa were also estimated. The analyses confirmed the monophyly of the genus and a well‐supported topology, with the following arrangement: ((C. torquatus, C. lugens), (C. lucifer (C. purinus, C. regulus))). A well‐differentiated clade was also identified within part of the geographic range of C. lugens, which warrants further investigation to confirm its taxonomic status.

中文翻译:

车race属(Callicebinae,Pitheciidae)属的亲缘关系。

CheracebusPi蝶科(Callicebinae)的新世界灵长类动物的新属。直到最近,Cheracebus被列为torquatus种组属CallicebusCheracebus属有6个种:萤光棒杆菌,褐光梭菌,淡色梭菌中度梭菌龟缘梭菌嘌呤梭菌,它们都是亚马逊生物群落特有的。在本研究之前,尚未对大多数车瑞克物种之间的系统发育关系做出结论性解释。本研究测试属的单性,并调查不同的车龙之间的关系物种,基于16种线粒体和核标记的DNA测序。系统发育分析基于最大似然,贝叶斯推断和多物种合并方法。还估计了车race种群之间的发散时间和遗传距离。分析证实了该属的一字性和良好的拓扑结构,其排列如下:((C。torquatus,C . lugens),(C. luciferC. purinus,C. regulus)))。在部分隐孢子虫的地理范围内也鉴定出分化良好的进化枝,这值得进一步研究以确认其分类学地位。
更新日期:2020-08-26
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