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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Intro to Eutheria: Superorder Afrotheria
![Loxodonta africana in zoo - walking](https://themammallab.com/wp-content/uploads/2021/06/Loxodonta_africana_zoo-1200x1079.jpg)