Earliest Cardiovascular System Found in Half Billion-Year-Old Fossil - Presented by: The Aol. On Network

A 520 million-year-old fossil discovered in Yunnan, China is the oldest known species to have a cardiovascular system in its body. A team of archaeologists from the United Kingdom, China, and the University of Arizona came across the specimen of a thee inch long ancient invertebrate that they named Fuxianhuia protensa, after the lake region where it was found.



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