Clausiliidae

plural noun

Clau·​si·​li·​i·​dae

ˌklȯzəˈlīəˌdē,

-ȯsə-

: a family of terrestrial pulmonate snails having a fusiform sinistral spiral shell in which a rodlike clausilium functions as an operculum

Word History

Etymology

New Latin, from Clausilia, type genus + -idae

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