|äŋkō+ noun
Usage: capitalized
Etymology: New Latin, perhaps from onco- (I) + Melania
: a genus of amphibious operculate snails (family Bulimidae) of Asiatic and Pacific island freshwaters that is sometimes extended to include Katayama, Schistosomophora, and possibly other genera and that comprises forms which are intermediate hosts of the blood fluke ( Schistosoma japonicum )