Compared to other stick insects ( order Phasmatodea ) , the genus `` Timema '' is considered basal ; that is , the earliest `` branch '' to diverge from the phylogenetic tree that includes all Phasmatodea .
Compared to other stick insects ( order Phasmatodea ) , the genus `` Timema '' is basal . It is the earliest living branch to diverge from the phylogenetic tree of the Phasmatodea .