title: Новый для фауны Украины вид – Polydora websteri Hartman, 1943 (Polychaeta: Spionidae) из прибрежных вод Крыма (Чёрное море)
abstract: In the shells of the oyster Crassostrea gigas, cultured in marifarms of the south-western and the southern Crimea, discovered a new species for the fauna of Ukraine bristle worm Polydora websteri. The oysters were contaminated borer polychaetes, from the first year of life. The occurrence reached 29 %. This species of Polydora found in the limestone rocks in the area of Sevastopol too. The larvae developed in the capsules to the stage of 12 - 13 segments, eating nurse eggs, the number of which w