Figure 5:
Estimation of divergence time. The blue numbers on the nodes are the divergence time from present (million years ago); the red nodes indicate the previously published calibration times.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.