DR. JOHN BRACKENBURY / SCIENCE PHOTO LIBRARY DR. JOHN BRACKENBURY / SCIENCE PHOTO LIBRARY
Fossilized brood cells in the palm of a hand. These brood cells were created by solitary bees related to modern Anthophora sp. which burrow into soil to create a chamber to house their larvae. Photographed in Fuerteventura, Canary Isles. For a photograph of an assemblage of the cells, see E442/602.
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