This was the Jurassic, which took place 199 to 145 million ... and coil-shelled ammonites were abundant. Coral reefs grew in the warm waters, and sponges, snails, and mollusks flourished.

Oct. 23, 2024 — Healthy coral reefs echo with a chorus of grunts and purrs from fish feeding, looking for mates, or defending their territories, underscored by the persistent crackling of ...