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Table 1 Foraminifer, conodont and coral zonations for Tournaisian and Visean in Western Palaeotethys related to the transgressions (TR1 to TR4) identified in the Azrou-Khenifra Basin by Huvelin and Mamet (1997). Note that TR1 is moved down into MFZ9 in accordance with results in this work

From: A new early Visean coral assemblage from Azrou-Khenifra Basin, central Morocco and palaeobiogeographic implications