The global Taghanic Biocrisis (Givetian) in the eastern Anti-Atlas, Morocco Aboussalam, Z. Sarah ; Becker, R. Thomas Abstract Publication: Palaeogeography Palaeoclimatology Palaeoecology Pub Date: April 2011 DOI: 10.1016/j.palaeo.2010.10.015 Bibcode: 2011PPP...304..136A