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paleobotany

This fossil, preserved roughly 47 million years ago, has a such a strange assortment of features that scientists were unable to find a plant family, living or extinct, to which it might belong.

Ancient ‘Alien Plant’ Shatters Beliefs About Earth’s Botanical History

An X-ray reconstruction of a 32-million-year-old fossil kelp holdfast colored to show the base (orange), holdfast (yellow) and the bivalve shell to which it attached (blue).

Pacific kelp forests are far older that we thought

Ancient footprints in New Mexico

Study confirms age of oldest fossil human footprints in North America

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