CONODONT FAUNA AND BIOSTRATIGRAPHY OF THE EARLY-MIDDLE DEVONIAN UNITS IN BEYKOZ, ŞILE AND KURTDOĞMUŞ AREAS, İSTANBUL, TURKEY

Indexed In

Volume 145 / 2012

Authors:

Dilek Gülnur SAYDAM-DEMİRAY, Şenol ÇAPKINOĞLU

Keywords:

Lower-Middle Devonian, conodont fauna, biostratigraphy, İstinye Formation, Kozyatağı member, İstanbul

Abstract:

The conodont faunas defi ning the delta-pesavis zones (upper Lochkovian, Lower Devonian) were obtained from Beykoz and Karamandere sections of the İstinye Formation (the Yumrukaya group) and the conodont faunas of the laticostatus, serotinus, patulus and partitus zones (upper Emsian-lower Eifelian, Lower-Middle Devonian) were obtained from the Büyükdere and Kokarpınar sections of the Kozyatağı member of the Kartal Formation. A total of 22 species/subspecies were described belonging to the genera Neopanderodus (2), Icriodus (8), Pelekysgnathus (1), Lanea (1), Polygnathus (4), Ozarkodina (2), Pseudooneotodus (2), Belodella (2).