Fig. 17

Equatorial sections of O. pamiri from the Taraklı Formation in Epçeler B section. a EPB5-36. b EPB6-8. c EPB3-1. d EPB6-43, e EPB6-11. f EPB1-7. g EPB3-4. h EPB4-7. i EPB1-5. j EPB3-16. k EPB3-18. l EPB3-28. Note that specimens in i and l have 3 epi-embryonic chamberlets