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Abstract：
Although the Atlantic Forest marmosets (Callithrix spp.) are among the best studied Neotropical primates, the Amazonian marmosets (Callibella humilis, Cebuella spp. and Mico spp.) are much less well-known. Even species diversity and distributions are yet to be properly determined because field data and materials currently available in scientific collections do not allow comprehensive taxonomic studies of Amazonian marmosets. From 2015 to 2018, we conducted 10 expeditions in key-areas within southern Amazonia where little or no information on marmosets was available. In one such region-the Tapajós-Jamanxim interfluve-we recorded marmosets with a distinctive pelage pigmentation pattern suggesting they could represent a new species. We tested this hypothesis using an integrative taxonomic framework that included phylogenomic data (ddRAD sequences), pelage pigmentation characters, and distribution records. We found that the marmosets of the northern Tapajós-Jamanxim interfluve have unique states in pelage pigmentation characters, form a clade (100% support) in our Bayesian and Maximum-Likelihood phylogenies, and occur in an area isolated from other taxa by rivers. The integration of these lines of evidence leads us to describe a new marmoset species in the genus Mico, named after the Munduruku Amerindians of the Tapajós-Jamanxim interfluve, southwest of Pará State, Brazil.
摘要：
尽管大西洋森林the猴（Callithrixspp。)是研究最好的新热带灵长类动物之一，亚马逊猴(Callibellahumilis，头菌属。还有Micospp.)的知名度要低得多。甚至物种多样性和分布也尚未得到适当确定，因为目前科学收藏中可用的野外数据和材料不允许对亚马逊marmosets进行全面的分类学研究。从2015年到2018年，我们在亚马逊南部的关键地区进行了10次探险，那里几乎没有或根本没有关于the猴的信息。在一个这样的地区-Tapajós-Jamanxim杂物-我们记录了具有独特皮毛色素沉着模式的the猴，表明它们可以代表一个新物种。我们使用包括系统基因组数据（ddRAD序列）的综合分类学框架测试了这一假设，皮色素沉着特征，和分发记录。我们发现，北部Tapajós-Jamanxim杂种的the猴在皮色素沉着特征上具有独特的状态，在我们的贝叶斯和最大似然系统发育中形成一个进化枝(100%支持)，发生在河流与其他类群隔离的区域。这些证据的整合使我们在Mico属中描述了一种新的the猴物种，以Tapajós-Jamanxim的Munduruku美洲印第安人的名字命名，帕拉州西南部，巴西。
