Tiny fossils set record for oldest flowerlike pollen

Find might have come from ancient relative of today’s flowering plants

WAY-BACK POLLEN  Not in such bad shape after 240 million years, a fossil pollen grain from northern Switzerland shows features, such as the texture of its outer surface, that tend to characterize fossil pollen merely 100 million or so years old.

P. Hochuli and Susanne Feist-Burkhardt

Nubbly specks 243 million years old could be the oldest fossils of pollen grains yet found from close ancestors of today’s flowering plants.