Oncomelania

On·co·me·la·nia

noun \ˌäŋ-kō-mi-ˈlā-nē-ə\

Definition of ONCOMELANIA

: a genus of amphibious snails (family Bulimidae) of Asian and Pacific island freshwaters that comprises forms which are intermediate hosts of a schistosome (Schistosoma japonicum)

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