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Bayesian Morphological Clock versus Parsimony: An Insight into the Relationships and Dispersal Events of Postvacuum Cricetidae (Rodentia, Mammalia)
Systematic Biology ( IF 6.1 ) Pub Date : 2021-07-20 , DOI: 10.1093/sysbio/syab059
Raquel López-Antoñanzas 1, 2 , Pablo Peláez-Campomanes 2
Affiliation  

Establishing an evolutionary timeline is fundamental for tackling a great variety of topics in evolutionary biology, including the reconstruction of patterns of historical biogeography, coevolution, and diversification. However, the tree of life is pruned by extinction and molecular data cannot be gathered for extinct lineages. Until recently methodological challenges have prevented the application of tip-dating Bayesian approaches in morphology-based fossil-only data sets. Herein, we present a morphological data set for a group of cricetid rodents to which we apply an array of methods fairly new in paleontology that can be used by paleontologists for the analysis of entirely extinct clades. We compare the tree topologies obtained by traditional parsimony, time-calibrated, and noncalibrated Bayesian inference phylogenetic approaches and calculate stratigraphic congruence indices for each. Bayesian tip-dated clock methods outperform parsimony in the case of our data set, which includes highly homoplastic morphological characters. Regardless, all three topologies support the monophyly of Megacricetodontinae, Democricetodontinae, and Cricetodontinae. Dispersal and speciation events inferred through Bayesian Binary Markov chain Monte Carlo and biodiversity analyses provide evidence for a correlation between biogeographic events, climatic changes, and diversification in cricetids. [Bayesian tip-dating; Cricetidae; Miocene; morphological clock; paleobiodiversity; paleobiogeography; paleoecology; parsimony; STRAP.]

中文翻译:

贝叶斯形态时钟与简约:对后真空蟋蟀科(啮齿目,哺乳动物)的关系和扩散事件的洞察

建立进化时间表对于解决进化生物学中的各种主题至关重要,包括重建历史生物地理学、共同进化和多样化的模式。然而,生命之树因灭绝而被修剪,无法收集灭绝谱系的分子数据。直到最近,方法学上的挑战阻止了在基于形态学的仅化石数据集中应用尖端测年贝叶斯方法。在这里,我们提出了一组蟋蟀啮齿动物的形态学数据集,我们应用了一系列古生物学中相当新的方法,古生物学家可以使用这些方法来分析完全灭绝的进化枝。我们比较了通过传统简约法获得的树拓扑,时间校准,和未校准的贝叶斯推理系统发育方法并计算每种方法的地层一致性指数。就我们的数据集而言,贝叶斯尖端日期时钟方法的表现优于简约法,其中包括高度同质的形态特征。无论如何,所有三种拓扑都支持 Megacricetodontinae、Democricetodontinae 和 Cricetodontinae 的单系。通过贝叶斯二元马尔可夫链蒙特卡罗和生物多样性分析推断的扩散和物种形成事件为生物地理事件、气候变化和蟋蟀多样化之间的相关性提供了证据。[贝叶斯提示约会;蟋蟀科; 中新世;形态时钟;古生物多样性;古生物地理学;古生态学;简约;带子。] 就我们的数据集而言,贝叶斯尖端日期时钟方法的表现优于简约法,其中包括高度同质的形态特征。无论如何,所有三种拓扑都支持 Megacricetodontinae、Democricetodontinae 和 Cricetodontinae 的单系。通过贝叶斯二元马尔可夫链蒙特卡罗和生物多样性分析推断的扩散和物种形成事件为生物地理事件、气候变化和蟋蟀多样化之间的相关性提供了证据。[贝叶斯提示约会;蟋蟀科; 中新世;形态时钟;古生物多样性;古生物地理学;古生态学;简约;带子。] 就我们的数据集而言,贝叶斯尖端日期时钟方法的表现优于简约法,其中包括高度同质的形态特征。无论如何,所有三种拓扑都支持 Megacricetodontinae、Democricetodontinae 和 Cricetodontinae 的单系。通过贝叶斯二元马尔可夫链蒙特卡罗和生物多样性分析推断的扩散和物种形成事件为生物地理事件、气候变化和蟋蟀多样化之间的相关性提供了证据。[贝叶斯提示约会;蟋蟀科; 中新世;形态时钟;古生物多样性;古生物地理学;古生态学;简约;带子。] 通过贝叶斯二元马尔可夫链蒙特卡罗和生物多样性分析推断的扩散和物种形成事件为生物地理事件、气候变化和蟋蟀多样化之间的相关性提供了证据。[贝叶斯提示约会;蟋蟀科; 中新世;形态时钟;古生物多样性;古生物地理学;古生态学;简约;带子。] 通过贝叶斯二元马尔可夫链蒙特卡罗和生物多样性分析推断的扩散和物种形成事件为生物地理事件、气候变化和蟋蟀多样化之间的相关性提供了证据。[贝叶斯提示约会;蟋蟀科; 中新世;形态时钟;古生物多样性;古生物地理学;古生态学;简约;带子。]
更新日期:2021-07-20
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