title: New window on Proterozoic life
authors.affiliation: Department of Organismic and Evolutionary Biology, Harvard University, Cambridge, Massachusetts 02138, USA.
authors.forename: A H
authors.initials: AH
authors.lastname: Knoll
authors.forename: N J
authors.initials: NJ
authors.lastname: Butterfield
mesh_terms: D000818:Animals; D001315:Australia; D005075:Biological Evolution; D005580:Fossils; D055593:Geological Phenomena; D005844:Geology; D010163:Paleontology; D010839:Phytoplankton