Роль моллюсков в формировании биологического разнообразия нематод легких (Protostrongylidae) у животных

On the basis of long-term own researches and the analysis of the literary data are cited the data on specific structure of pulmonary nematodes (Protostrongylidae) of animals of Armenia, Russia, Bulgaria and Poland and the role of molluscs in formation of biological variety of these helminths