Biozone | Stratigraphic position | Geographical extension | Age |
Calpionella-spicules assemblage zone (No.11) | The most upper part of the Surmeh Formation and the base of Fahliyan Formation | Fars region | Tithonian-Neocomian |
Radiolaria flood facies (No.12) | The lower part of the Sarvak and Garu formations | Lorestan region | Neocomian-Albian |
Globigerinelloides algeriana-Biglobigerinella barri assemblage zone (No.13) | Sarvak and Garu formations | Lorestan region | Aptian |
Pseudocyclammina lituus-Trocholina assemblage zone (No.14) | Fahliyan Formation | Khuzestan and Fars region | Neocomian |
Choffatella-Cyclammina assemblage zone (No.15) | Gadvan Formation | Khuzestan and Fars region | Barremian-Aptian |
Hensonella-Orbitolina-Choffatella assemblage zone (No.16) | Dariyan Formation | Khuzestan and Fars region, northeastern Lorestan | Aptian |
Conical Orbitolina assemblage zone (No.18) | The upper part of the Dariyan Formation | Khanekat area in Fars | Albian |