Nicholas Bock¹, Ajit Subramaniam², Andrew R Juhl¹, Joseph Montoya³ and Solange Duhamel¹, (1)Lamont-Doherty Earth Observatory, Columbia University, Division of Biology and Paleo Environment, Palisades, NY, United States, (2)Columbia University, Lamont-Doherty Earth Observatory, Palisades, NY, United States, (3)School of Biological Sciences, Georgia Institute of Technology, Atlanta, GA, United States