Which extinct group is sister to the Family Vombatidae?
Answer
Diprotodontidae
In the taxonomic structure of the Order Diprotodontia, the Family Vombatidae is positioned in relation to other families based on their evolutionary divergence. The text explicitly states that the Vombatidae family is sister to the extinct Diprotodontidae family. Being sister groups means they share a very recent common ancestor that is not shared by other, more distantly related families, such as the Phascolarctidae (koalas), which are also related but occupy a different branching point immediately preceding the Vombatidae split.
Related Questions
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