Phylogenomic data reveal three new families of poorly studied Solifugae (camel spiders)
Phylogenomic data reveal three new families of poorly studied Solifugae (camel spiders)
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DOI：
10.1016/j.ympev.2023.107989
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发表时间：
2023-12-16
影响因子：
4.1
通讯作者：
Sharma，Prashant P.
中科院分区：
文献类型：
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作者：
Kulkarni，Siddharth S.;Yamasaki，Takeshi;Sharma，Prashant P.
蜘蛛目避日纲的系统学一直是一个谜，由于在解释形态学的挑战，缺乏分子系统发育研究的采样组，和缺乏对许多谱系的分类关注。最近的研究表明，避土科在很大程度上表现出连续的分布，并反映了替代的模式，除了三个家庭：Melanoblossidae，Daesiidae和Gylippidae。形态学研究对它们现有的环境产生了怀疑，这些分类群的目前组成使它们的分布成为分离的。我们利用超保守元件（UCEs）来测试引起这些异常分布的三个关键的避日类谱系的系统发育位置：Dinorhax rostrumpsittaci（假定的melanoblossid），Namibesia（假定的daesiid），和Trichotoma（假定的gylippid）。基于UCE的这三个属的系统发育位置呈现了包含它们的科为帕拉系或多系，相反，恢复了更好地与由地理分隔驱动的地理历史雅阁的关系。为了建立一个稳定的、系统发育学上的分类系统，我们建立了三个新科：Dinorhaxidaenew rank、Namibesiidaenew rank和Lipophagidaenew rank。
The systematics of the arachnid order Solifugae have been an enigma, owing to challenges in interpreting morphology, a paucity of molecular phylogenetic studies sampling across the group, and a dearth of taxonomic attention for many lineages. Recent work has suggested that solifuge families largely exhibit contiguous distributions and reflect patterns of vicariance, with the exception of three families: Melanoblossidae, Daesiidae and Gylippidae. Morphological studies have cast doubt on their existing circumscriptions and the present composition of these taxa renders their distributions as disjunct. We leveraged ultraconserved elements (UCEs) to test the phylogenetic placement of three key lineages of Solifugae that cause these anomalous distributions:Dinorhax rostrumpsittaci(putative melanoblossid),Namibesia(putative daesiid), andTrichotoma(putative gylippid). Phylogenetic placement of these three genera based on UCEs rendered the families that harbor them as para- or polyphyletic, recovering instead relationships that better accord with a biogeographic history driven by vicariance. Toward a stable and phylogenetically informed classification of Solifugae, we establish three new families, Dinorhaxidaenew rank, Namibesiidaenew rankand Lipophagidaenew rank.