Ammonites Thrived Before Dinosaur-Killing Asteroid Impact, Study Finds
New research challenges the previous understanding of ammonite extinction. These coiled-shell creatures, relatives of squid and octopus, were previously thought to be in decline before they vanished alongside dinosaurs 66 million years ago. A study published in Nature Communications by palaeontologists at the University of Bristol suggests a different story. Ammonites, it appears, were flourishing …