FIGURE 2 in Contribution to the knowledge of the genus Boucheona (Oligochaeta Hormogastridae) in France with a newly described species and a redescribed species

FIGURE 2. Detail of the ultrametric tree based on the molecular markers COI-16S-28S focused on the Catalan-French Boucheona clade. Mean heights (ages) are shown besides nodes, and 95% highest posterior density intervals are shown as blue bars. The grey bar indicates the approximate interval corresponding to the Messinian Salinity Crisis.