To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie S1. Flattened sutures reconstructed by microtomography. An ammonite trapped in Burmese amber Tingting Yu, Richard Kelly, Lin Mu, Andrew Ross, Jim Kennedy, Pierre Broly, Fangyuan Xia, Haichun Zhang, Bo Wang, and David Dilcher PNAS. 2019. DOI: 10.1073/pnas.1821292116 Download Original Video Browse All Videos »