A review of the paleontological literature shows that the early dates of appearance of Lissamphibia recently inferred from molecular data do not favor an origin of extant amphibians from temnospondyls
BEAST xml for dating aquatic lineages of Oxalis. In this analysis, the full data set, including taxa with missing data, is analysed using a rate-based approach, allowing the mean rates to vary across
BEAST xml for dating aquatic lineages of Oxalis. In this analysis, the reduced data set, removing taxa with missing data for one partition, is analysed using a node-based approach, calibrating the roo
