Anisian (Middle Triassic) conodonts of the Kocaeli triassic, western Turkey

Abstract

The present study of Anisian (Middle Triassic) conodonts from the Kocaeli Peninsula (western Turkey) encompasses over 10 species of the families Gondolellidae and Gladigondolellidae, providing Early and Middle Triassic time constraints, Chiosella timorensis (Nogami, 1968); Cornudina oezdemirae Gedik, 1975; Gladigondolella tethydis (Huckriede, 1958); Neostrachanognathus tahoensis Koike, 1998; Paragondolella aegaea (Bender, 1970); Paragondolella bulgarica Budurov and Stefanov, 1975; Nicoraella kockeli (Tatge, 1956); P. hanbulogi (Sudar and Budurov, 1979), and Gladigondolella sp. A. Newly established are Paragondolella hirschii n. sp. Kilic and Budurov; P. praecornuta n. sp. Kilic, Budurov, Petrunova and Mir0103ut0103; and P. ebruae n. sp. Kilic. The Kocaeli Anisian conodonts show a faunal affinity with Bulgaria. The present Anisian fauna is characteristic of the Tethys. The strong homeomorphy that characterizes the Anisian in western North America is discussed.