Was Spriggina an Evolutionary Ancestor of Arthropods?
Allison C. Daley, arthropods, bilateral symmetry, Cambrian Explosion, Cambrian News, Darwin's Doubt, Ediacaran Period, Evolution, fossil record, genetic evidence, Greg Edgecombe, Günter Bechly, Intelligent Design, Mark McMenamin, Marten Scheffer, neo-Darwinian mechanisms, paleontology, Precambrian fossil, Princeton University Press, Science Uprising, Simon Conway Morris, Spriggina, Stephen Meyer, Sven Jorgen Birket-Smith
For those wedded to an evolutionary interpretation of life’s history, the fossil and genetic evidence leave the origin of arthropods a major mystery. Source