Simplify the following text for a Grade 12 native English-speaking person.
Original: Euarchontoglires ( synonymous with Supraprimates ) are taxonomic superoroder , within Placentalia . It includes the rodents and the primates .
Simplified: Euarchontoglires ( synonymous with Supraprimates ) is a clade of mammals , the living members of which are rodents , lagomorphs , treeshrews , colugos and primates ( including humans ) .