Анотація:
Hydrobia ventrosa (Mont) of the Tiligul estuary (north-western Black Sea area) was found to play a role in distribution of Microphallidae invasions. Larvae of five species of Trematodes from the family Microphallidae Travassos, 1920, are registered in 74 mollusks out of 148 investigated. Cercaria carribea XXIX Cable, 1956, C. caribbea XXX Cable, 1956, C. microphallidarum N 4 Reimer, 1963 were detected fo{ the first time in the fauna of the Soviet Union and also, in this species of mollusks; the Tiligul estuary is a new region of distribution for C. kowalevskii Dolgikh, 1966 and C. Xi-phidiocercaria II Sоrdі 1959.