Özet:

It is very important to be knowledgeable in taxonomic identification between species for biological disciplines. The genus Graecoanatolica spread West Anatolia in Turkey. Molecular Systematics of the Graecoanatolica species have not been investigated however this genus morphological characteristics have been comprehensively studied. In this research, phylogenetic analysis of cytochrome oxidase subunit I (620bp) sequences for all living species in Anatolia of Graecoanatolica were performed and phylogenetic trees were created by using COI sequence results. mitochondrial DNA (mtDNA) COI gene sequences of different genus were achieved from GenBank and used as outgroup for molecular systematic analysis. mtDNA COI sequence data analysis suggest that species determined as G. lacustristurca in Burdur is sister G. tenuis in Denizli but it is diffirent species. Also we found out that molecular data shows G. pamphylica is different molecularly from genus Graecoanatolica which has been described in Antalya Kirkgöz spring as Graecoanatolica species. Keywords: Hydrobiidae, Graecoanatolica, COI, phylogeny, taxonomy

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