Fig. 13From: Multiple Orbitoides d’Orbigny lineages in the Maastrichtian? Data from the Central Sakarya Basin (Turkey) and Arabian Platform successions (Southeastern Turkey and Oman)Comparison of the equatorial layers of O. pamiri Meriç (a–d) and O. ex. interc. gruenbachensis Papp–apiculatus Schlumberger (e–h) in the axial sections from the Taraklı Formation. Note the high equatorial chamberlets with numerous large stolons in O. pamiri, which are much higher than those of O. ex. interc. gruenbachensis Papp–apiculatus Schlumberger. a EPB1-8. b EPB5-32. c EPB6- 45. d EPB5-4. e EPA14-33. f EPA16-10. g DE7-23. h EPA15-24Back to article page