Boreoeutheria (synonymous with Boreotheria) (Gk: βόρειο North + θεριό Beast) is a clade (magnorder) of placental mammals that's composed of the sister taxa Laurasiatheria and Euarchontoglires (Supraprimates). It is now well supported by DNA sequence analyses as well as retrotransposon presence/absence data. All male members of the clade share the distinction of external testicles. Classification Class MammaliaClade BoreoeutheriaGroup III:… (More on Boreoeutheria)