Paleoparasitological investigation of dog's (Canis familiaris L., 1758) coprolites from "Nadymsky town" settlement of XVII - XVIII centuries

A parasitological analysis of dog's coprolites obtained during excavations of the medieval settlement «Nadymsky town», located in the north of Western Siberia (Yamalo-Nenets Autonomous District (hereinafter - YNAO)) was conducted. Samples are selected from a layer that is dated by the dendrochronological method in the second half of the 17th - early 18th centuries. The presence of invasion by 4 species of helminths has been revealed: Alaria alata (Goeze, 1782), Opisthorchis felineus (Rivolta, 1884) Blanchard, 1895, Diphyllobothrium latum Linnaeus, 1758 and Toxocara canis Werner 1782. Thus, in the Yamal Peninsula for 300-500 years' resistant foci of diphyllobothriasis, opisthorchiasis, alariasis, and also toxocariasis.