Oncomelania
noun
On·co·me·la·nia
ˌäŋ-kō-mi-ˈlā-nē-ə 
: a genus of amphibious snails (family Pomatiopsidae) of Asian and Pacific island freshwaters that comprises forms which are intermediate hosts of a schistosome (Schistosoma japonicum)
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“Oncomelania.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/Oncomelania. Accessed 26 Nov. 2025.
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