Fossil-wood descriptions from Turkey have been increasing in recent years. The aim of the present paper is to redefine four new fossil species according to the protologue for new plant fossil names. As result, these four new fossil species are verified: Cupressinoxylon pliocenica AKKEMIK sp. nov., Cercioxylon zeynepae AKKEMIK sp. nov., Zelkovoxylon yesimae AKKEMIK et I.POOLE sp. nov. and Pistacioxylon ufukii AKKEMIK et I.POOLE sp. nov.