Subsample of trees from NDus analysis

This is a set of 1401 subsampled random trees from the posterior distribution of the node dating analysis using 12 fossils (see NDus.xml file for detailed settings of the Bayesian analysis).本数据集包含从使用12枚化石的节点定年分析（node dating analysis）的后验分布（posterior distribution）中抽取的1401棵经子采样的随机系统发育树，贝叶斯分析（Bayesian analysis）的详细设置请参阅NDus.xml文件。