Maximum clade credibility Cameroonian Typoderus tree with median ages derived from the BEAST analysis A4. The 95% credibility interval for each node is given with a horizontal bar. Digits at nodes are million years before present. Terminal names consist of specimen number (Table 3), GenBank accession number and sifting sample number (Table 1). Names next to clades are those of the new species described in section 4.2.