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UT Professor Comments in Science News on History of Edrioasteroid Tube Feet

Science News reports that like sea stars, ancient echinoderms used to eat, breathe and scuttle around the seafloor with tiny tube feet. Scientists suspected that the ancient marine invertebrates, called edrioasteroids, had tube feet. A set of unusually well-preserved fossils from around 430 million year ago–described September 13 in Proceedings of the Royal Society B–provides