The first animals to have complex skeletons existed about 550 million years ago, fossils of a tiny marine creature unearthed in Namibia suggest. The find is the first to suggest …read more
Source:: Science
The first animals to have complex skeletons existed about 550 million years ago, fossils of a tiny marine creature unearthed in Namibia suggest. The find is the first to suggest …read more
Source:: Science