A reassessment of the problematic Ediacaran genus Orbisiana Sokolov 1976 Kolesnikov, Anton V. ; Liu, Alexander G. ; Danelian, Taniel ; Grazhdankin, Dmitriy V. Abstract Publication: Precambrian Research Pub Date: October 2018 DOI: 10.1016/j.precamres.2018.08.011 Bibcode: 2018PreR..316..197K