Türkiye Jeoloji Bülteni

Description of Two New Gastropod Species and One Sub-Species From the Lacustrine Sediments of Neogene Age Afyon, Turkey

Abstract: Systematic descriptions of two newly discovered Pyrgula and Corymbina fossil species £ronı Afyon-Gürleydk area are given.Samples of Pyrgula species are collected from the Lower Pliocene and Corymbina species from overlying beds.Pyrgula species are different from the species collected from Paratethys and West Anatolian region (Denizli). Thereforetwo new species: Pyrgula hoyrani n.sp., Pyrgula costata n.sp. are proposed. All of the specimens of our Corymbina rhodensis Bukowski show slnistral features; a new sub-species, Corymbina rhodensis senestris n.ssp. is proposed.