Carbonates before Skeletons: A Database Approach

Kristin Bergmann, Massachusetts Institute of Technology, Earth, Atmospheric and Planetary Sciences, Cambridge, MA, United States, Marjorie Cantine, Massachusetts Institute of Technology, Earth, Atmospheric, and Planetary Sciences, Cambridge, MA, United States and Andrew H Knoll, Harvard University, Department of Organismic and Evolutionary Biology, Cambridhe, MA, United States