1. The origin of eukaryotes and evolution into major kingdoms;Sogin,1994
2. A bangiophyte red alga from the Proterozoic of Arctic Canada;Butterfield;Science,1990
3. Abundance and composition of extractable organic matter;Summons,1992
4. Ediacaran-like fossils in Cambrian Burgess Shale-type faunas of North America;Conway Morris;Palaeontology,1993
5. The Cambrian evolutionary “explosion”: decoupling cladogenesis from morphological disparity;Fortey;Biol J Linn Soc,1996