The fossil brains of an ancient predator which existed about 520 million years ago has been discovered by a group of scientists.
Reports say new discovery sheds light on the evolution of insect and crustacean nervous systems and with help from 15 fossils recently discovered in Greenland, the scientists are now able to peer inside the brain of the extinct animal.
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The extinct species, Kerygmachela kierkegaardi, swam in ocean waters during an evolutionary arms race called the Cambrian explosion. Flanked by 11 wrinkly flaps on each side of its body, the ancient predator sported a long tail spine and a rounded head.
Its fearsome forward-facing appendages grasped prey, says UK-based paleontologist Jakob Vinther, “making lives miserable for other animals.”
Previous fossil remains of the roughly one- to ten-inch creature came from loose rocks battered by weather. But the new finds are the species’ first to escape exposure to the elements, resulting in fossil nervous tissue that is providing new evolutionary insights into the brains of panarthropods—an animal group that includes water bears (tardigrades), velvet worms, and arthropods like crustaceans and insects.
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