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Intro to Eutheria: Superorder Afrotheria

Infraclass Eutheria includes all of the extinct ancestors of living placental mammals, as well as the extant “crown” clade Placentalia. The eutherians are an extraordinarily diverse group, but also share a number of synapomorphies that distinguish them from metatherians. Unlike metatherians, female eutherians lack a pouch for carrying young, males have an unforked penis, and…

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