Answer: pteropod

AnswerCrossword Clue
PTEROPODClass of mollusks
PTEROPODMollusk
pteropoda type of mollusk (an animal belonging to the large phylum of invertebrates, also MOLLUSC)
pteropodpteropod mollusk
pteropodbelonging or pertaining to the Pteropoda, a group of mollusks having the lateral portions of the foot expanded into winglike lobes used in swimming