Chronology of early Cambrian biomineralization Kouchinsky, Artem ; Bengtson, Stefan ; Runnegar, Bruce ; Skovsted, Christian ; Steiner, Michael ; Vendrasco, Michael Abstract Not Available Publication: Geological Magazine Pub Date: March 2012 DOI: 10.1017/S0016756811000720 Bibcode: 2012GeoM..149..221K