Final answer:
The larger archaic group of mammals that includes primates, tree shrews, and colugos is Euarchonta.
Step-by-step explanation:
The name of the larger archaic group or grandorder of mammals that includes primates, tree shrews, and colugos is Euarchonta. Euarchonta is a group of mammals that is considered archaic or ancestral and includes the orders Primates, Dermoptera (colugos), and Scandentia (tree shrews). These mammals share common characteristics and evolutionary traits.
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