FIGURE 13 in A new microphthalmic stygobitic Graptodytes Seidlitz from Morocco, with a molecular phylogeny of the genus (Coleoptera, Dytiscidae)

FIGURE 13. Ultrametric tree obtained with Beast using the combined sequence, excluding outgroups and specimens with incomplete data (see Table 1). Numbers in nodes, age estimate (MY) using a rate of 2.3% MY as prior; bars, 95% confidence intervals. The dashed line marks the Pliocene-Pleistocene boundary. See Table 1 for codes and locality data of the specimens.