Self-recognition and Ca2+-dependent Carbohydrate-carbohydrate Cell Adhesion Provide Clues to the Cambrian Explosion

Author Posting. © The Authors, 2009. This is the author's version of the work. It is posted here by permission of Oxford University Press for personal use, not for redistribution. The definitive version was published in Molecular Biology and Evolution 26 (2009): 2551-2561, doi:10.1093/molbev/msp170.