Fossilized Sponge Spicules from the Middle Cambrian Mount Cap Formation, NW Canada (IMAGE)

University of Exeter

Fossilized Sponge Spicules from the Middle Cambrian Mount Cap Formation, NW Canada

Caption

Sponges were the first animals to evolve and may have helped drive oceanic oxygenation in the Neoproterozoic through their active pumping and filter-feeding activities.

Credit

Nicholas J. Butterfield

Usage Restrictions

Credit Nicholas J. Butterfield

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