Categories Animals Animal with First-Ever Skeleton Revealed by Fossils 500 Million Years Old Post author By nicecorn85 Post date November 5, 2022 The analysis of fossils aged 500 million years old led to the discovery of the first-ever animal with a skeleton system. ← ‘After-echo’: Judith Nangala Crispin creates elegies to newly deceased creatures → Portions of U.S. Could Expect Mountain Snow and Heavy Rain Starting Early Next Week