Faizulin A. I. RussiaTogliattiInstitute of Ecology of the Volga River Basin, Russian Academy of Sciences , 10 Komzin Str., Togliatti 445003alexandr-faizulin@yandex.ru Author's articles PRELIMINARY DATA ON THE MOLECULAR GENETIC STRUCTURE OF PELOPHYLAX RIDIBUNDUS (AMPHIBIA: ANURA: RANIDAE) FROM THE SOUTHERN PART OF THE CRIMEAN PENINSULA, BASED ON MITOCHONDRIAL AND NUCLEAR DNA ANALYSIS