Multituberculate mother and pups (IMAGE)

University of Washington

Multituberculate mother and pups

Caption

An artistic rendering of multituberculates from the genus Mesodma — a mother with her litter of offspring — who lived in western North America about 60 to 70 million years ago. Fossil evidence indicates that these creatures were the most abundant mammals in western North America just before and directly after the mass extinction event 66 million years ago that killed off the dinosaurs.

Credit

Andrey Atuchin

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