Affiliation: | (1) M.S. 956, National Center, US Geological Survey, 12201 Sunrise Valley Drive, 22092 Reston, VA, USA;(2) Paleoecological Environmental Assessment and Research Laboratory (PEARL) Department of Biology, Queen's University, K7L 3N6 Kingston, Ontario, Canada;(3) California Academy of Sciences, 94118 San Francisco, CA, USA |