ECOLOGICAL FILTERING AND EXAPTATION IN THE EVOLUTION OF MARINE SNAKES
GEARTY, William, School of Biological Sciences, University of Nebraska-Lincoln, 1101 T St, Lincoln, NE 68588, CARRILLO, Elsie, Department of Ecology and Evolutionary Biology, University of California-Santa Cruz, Santa Cruz, CA 95064 and PAYNE, Jonathan, Department of Geological Sciences, Stanford University, 450 Jane Stanford Way, Stanford, CA 94305