image: Detail of the mature Castanopsis fruiting spike fossil with four nuts, dark and turned to coal, enclosed in scaly cupules. Cupule at top is splitting open. This material relates to a paper that appeared in the June 7, 2019 issue of Science, published by AAAS. The paper, by P. Wilf at Pennsylvania State University in University Park, PA, and colleagues was titled, "Eocene Fagaceae from Patagonia and Gondwanan legacy in Asian rainforests." view more
Credit: Peter Wilf, Penn State University