Unexpected exoskeleton remnants found in Paleozoic fossils

Monday, February 7, 2011 - 13:30 in Paleontology & Archaeology

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 discovered in 25-million-year-old Cenozoic fossils. Their findings could have major implications for our understanding of the organic fossil record.

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