Phylogeny of primates, showing species for which sequencing is complete, in process, or approved but pending. Three nonprimates—the flying lemur, treeshrew, and mouse—are shown as outgroups. (Cyn. macaque) Cynomolgous macaque, (Rhe. macaque) Rhesus macaque, (Sq. monkey) Squirrel monkey. An approximate time scale, based on estimated dates of divergence from Janecka et al. (2007) (dates >25 Mya), Goodman (1999) (dates 3–25 Mya), Caswell et al. (2008) (chimpanzee/bonobo), and Morales and Melnick (1998) (rhesus/cynomolgous macaque) is shown at the bottom of the figure. Note that the estimated numbers of years before the present reflect DNA sequence divergences and represent upper bounds on speciation times. Nodes are indicated by circles to emphasize that the phylogeny represents both ancestral and extant species, as well as their evolutionary relationships. Note that the prosimians do not form a proper clade but are paraphyletic.
