Julien followed the research interests: Burgess Shale and Precambrian, Archaean, Proterozoic, Ediacaran, Cambrian, origins of life, origins of cells, origins of eukaryotes, origins of metazoans, foraminiferid evolution, evolution of photosymbiosis, mass extinctions,. complecxity and evolution, history of science 2012-04-16 14:17:42 -0700

Julien added a paper 2012-04-16 13:24:19 -0700

Julien started following the work of Susannah Maidment, Natural History Museum, London, Palaeontology. 2012-03-20 11:23:32 -0700