T61. Climatic and Biotic Processes through the Paleozoic, Mesozoic, and Cenozoic As Reconstructed from Microfossil Records. This session will provide an overview of microfossil contributions to the understanding of past climates and biotas. We welcome contributions from all microfossil groups aiding Paleozoic, Mesozoic and/or Cenozoic climatic and biotic reconstructions.