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February 9, 2011
by Guest Post
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Unexpected Exoskeleton Remnants Found in Paleozoic Fossils

Washington, D.C.— Surprising new research shows that, contrary to conventional belief, remains of chitin-protein complex—structural materials containing protein and polysaccharide—are present in abundance in fossils of arthropods from the Paleozoic era. Previously the oldest molecular signature of chitin-protein complex was … Continue reading