Some Ostracoda Species of Tanjero Formation (Late Campanian- Maastrichtian) of Diana Area, NE Iraq.

Nisreen M Aziz

doi:10.33899/earth.2018.159270

Abstract

Eleven ostracode species belonging to eight genera were described and illustrated for the first time from Tanjero Formation (Late Campanian- Maastrichtian) at Diana, North East Iraq, which six species are new: Cytherella suranensis sp. nov.; Cytherella omarians sp. nov.; Bairdia dianaensis sp. nov.; Bythocypris sirwanensis sp. nov.; Bairdoppilata halabijaensis sp. nov. and Limburgina kaniensis sp. nov.: Cytherella suranensis sp. nov. ; Cytherella omarians sp. nov.; Bairdia dianaensis sp. nov.;Bythocypris sirwanensis sp. nov.; Bairdoppilata halabijaensis sp. nov. and Limburgina kaniensis sp. Nov

Highlights

‫ـــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــ‬ ‫ الماسترختيان) من‬-‫بعض انواع الاوست اركودا من تكوين تانجيرو
INTRODICTION According to Bellen et al (1959) the Tanjero Formation is first defined and described by Dunnington (1952) from the selected type section at Sirwan valley, 2 Km to the south of Kani Karweshkan village, near Halabja town and at the right bank of Sirwan river
Tanjero Formation in the study area (Fig. 1) consists of succession bedded of shale, mudstone, and a few bedded from sandstone, sandy limestone and marl limestone (Fig. 2), the Kolosh Formation uncomfortably overlies, the unconformity is marked by a bed of conglomerate, 2m thick, at the base of the Kolosh Tanjero Formation

Summary

Introduction

‫ـــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــ‬ ‫ الماسترختيان) من‬-‫بعض انواع الاوست اركودا من تكوين تانجيرو Remarks: The present species is similar with Cytherella fragislis Neal, described by( Ishizaki, 1992 ) from Campanian in Japain, but differs in having more broadly rounded anterior margin, and weaker posterior overlap.

Results

Conclusion