Abstract
A small sample of vertebrate fish scales, predominantly those of a thelodont agnathan, the turiniid Turinia sp. cf. T. nachoi, and a few from the acanthodian gnathostome Nostovicina laticristata, have been found in the Lower Devonian Güneyyaka Formation in the Ovacik slice of the Tahtalidağ Nappe north of Alanya (Antalya Unit) in the Antalya region, southwest Anatolia, southern Turkey. The area is considered to have been on the northern Gondwana margin at that time. The fish microfossils support a Lochkovian to possible early Pragian at youngest (Early Devonian) age for the limestone beds, and are amongst the oldest known Turkish vertebrate fossils. Yakut Göncüoglu [yigtjpc@gmail.com], Kafkas Sitesi 2481. Sok. No 65 Umitköy-Ankara, Turkey; Carole J. Burrow [carole.burrow@gmail.com], Queensland Museum Geosciences, 122 Gerler Road, Hendra Queensland 4011, Australia; Susan Turner [paleodeadfish@yahoo.com], Queensland Museum Geosciences, 122 Gerler Road, Hendra Queensland 4011, Australia; Philippe Janvier [philippe.janvier@mnhn.fr], Muséum national d’Histoire naturelle, 75005 Paris, France; M. Cemal Göncüoglu [mcgoncu@metu.edu.tr], Middle East Technical University (METU), Department of Geological Engineering, 06531 Ankara, Turkey.
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