Harvard Scientists Solve 100-Year Mystery of Bizarre 508-Million-Year-Old Arthropod Helmetia expansa was found to have walking legs and molting behavior, changing assumptions about its mobility and growth. For more than a century, the Cambrian arthropod Helmetia expansa remained a mystery....

Harvard Scientists Solve 100-Year Mystery of Bizarre 508-Million-Year-Old Arthropod #Science #Biology #Paleontology #ArthropodDiscovery #HarvardResearch