Fig. 3

Lithology and distribution of calcareous nannofossils across the upper Eocene to Oligocene from the Bid-Zard section southwest of Izeh, Zagros Basin. Red dots mark the first and last occurrence of the species; black dots are the spread of species. Note that dolomite and anhydrite facies without calcareous nannofossils are shown larger for greater clarity and do not correspond to the scale