Fig. 4From: Eocene to Oligocene nannofossils stratigraphy and environmental conditions in Izeh Province, Zagros Basin, East TethysDiversity and abundance of calcareous nannofossils across the upper Eocene to Oligocene from the Bid-Zard section southwest of Izeh, Zagros Basin. Note that dolomite and anhydrite facies without calcareous nannofossils are shown larger for greater clarity and do not correspond to the scaleBack to article page