Fig. 4

Photomicrographs for the nannofossil most representative taxa: 1:3- Watznaueria barnesiae, sample 45Â m, Subzone UC20c, 4- Lithraphidites quadratus, sample 37Â m, Subzone UC20c, 5:6- Eiffellithus turriseiffelii, sample 43Â m, Subzone UC20c, 7:8- Eiffellithus gorkae, sample 53Â m, Subzone UC20c, 9:10- Tranolithus orionatus, sample 127Â m, Zone UC18, 11- Reinhardtites levis, sample 127Â m, Zone UC18, 12- Cervisiella operculata, sample 33Â m, Subzone UC20c, 13- Cervisiella saxea, sample 25Â m, Subzone UC20d, 14- Lucianorhabdus cayeuxii, sample 87Â m, Subzone UC20a, 15- Microrhabdulus undosus, sample 20Â m, Subzone UC20d, 16:18- Microrhabdulus decoratus, sample 35Â m, Subzone UC20c, 19- Tetrapodorhabdus decorus, sample 73Â m, Subzone UC20b, 20- Lithraphidites carniolensis, sample 35Â m, Subzone UC20c.