Diverse early endobiotic coral symbiont assemblage from the Katian (Late Ordovician) of Baltica Vinn, Olev ; Mõtus, Mari-Ann Abstract Publication: Palaeogeography Palaeoclimatology Palaeoecology Pub Date: March 2012 DOI: 10.1016/j.palaeo.2012.01.028 Bibcode: 2012PPP...321..137V