Before Dinosaur Extinction, Rodent-Like Mammals were Already Flourishing in Ancient Arctic

May 20, 2026 - 10:15
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Before Dinosaur Extinction, Rodent-Like Mammals were Already Flourishing in Ancient Arctic
A reconstruction of the Late Cretaceous paleoenvironment of Alaska. Image credit: James Havens.

Paleontologists have described three previously unknown species of multituberculate mammals -- named Camurodon borealis, Qayaqgruk peregrinus, and Kaniqsiqcosmodon polaris -- that lived in polar forests about 73 million years ago.

The post Before Dinosaur Extinction, Rodent-Like Mammals were Already Flourishing in Ancient Arctic appeared first on Sci.News: Breaking Science News.

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