Reference
Ugur Kagan Tekin, Cemal Goncuoglu (2008): Late Middle to Early Late Triassic Radiolarian Faunas from the Izmir-Ankara Suture Belt in Western Turkey: Remarks on the evolution of the Neotethyan Izmir-Ankara Ocean – Berichte der Geologischen Bundesanstalt – 76: 59 - 60.