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Researchers discover the fossil of a new hamster-sized mammal that lived alongside dinosaurs on the Pacific Coast

University of Washington

Apr 23, 2026

An illustration of Cimolodon desosai on the tree with a fruit in its mouth. It was about the size of a golden hamster. It likely scampered on the ground and in the trees and ate fr…

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Researchers discover the fossil of a new hamster-sized mammal that lived alongside dinosaurs on the Pacific Coast

Related places

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