Stefan Bengtson, research projects
Biology of the chancelloriids
Chancelloriids are confined to the Cambrian. Rocks of this age (about 544-495 million years old) often abound with their star-like sclerites. They were first described from the Burgess Shale, where whole specimens occur, and interpreted as sponges. We are looking at alternative interpretations, pointing to a radically different kind of animal.Coworkers: Desmond Collins, Ontario; Hou Xianguang, Nanjing; Bruce Runnegar, Los Angeles
E
mbryos of early animals
Recently we have discovered that animal embryos less than a millimeter in size can be preserved in the fossil record. This has opened up new avenues in the study of animal origins and evolution.Coworkers: Yue Zhao, Yin Chongyu, Philip Donoghue, Marco Stampanoni, Neil Gostling, Dong Xiping, Therese Huldtgren, Artem Kouchinsky
B
iotic revolution and crustal evolution: the Proterozoic-Cambrian transition in northern Siberia
This project is intended to establish the biotic and environmental setting for the ‘Cambrian Explosion' on the Siberian Platform.Coworkers: Artem Kouchinsky, Vladimir V. Missarzhevsky, Moscow; Shane Pelechaty; Anatolij K. Valkov, Yakutsk
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