Türkiye Jeoloji Bülteni

On the Occurence of Scandonea De Castro (1971) in Paleocene

Abstract: The age-span of the genus Scandonea which was originally found in Italy by DE CASTRO in 1971as an individual of Miliolidae, is Turonian-Maastrlehtian. It is known,, from the publications and unpublished researches that various species of this genus are found in the Upper Cretaceous sediments exposed in various parts ofTaurids (Sultan dağları, Bey dağları, Geyik dağı, Korudağ) and in Western Anatolia {Bornova-îzmir).In Central Anatolia (Haymana-Ankara) however, the mentioned organism is found in various different stratigraphic levels of Paleocene aged Çaldağ Limestone- These specimens which are smaller and flattened comparedto the Upper Cretaceous forms, are found together with Laffitteina Mbensis MARIE, Miliolidae and Parachaetetesasvapatii PIA in. Montian and Lacazina sp,, Operculina sp.. Bolkarina aksarayi SİREL, Keramosphaera sp., Kathina•sp-, Planorbulfna cretae (MARSSON), Miliolidae and Parachaetetes asvapatii PIA in Thanetian.