Siphonariidae
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Si·pho·na·ri·idae | \ ˌsīfənəˈrīəˌdē \
Definition of Siphonariidae
: a family of littoral gastropod mollusks (order Opisthobranchia) that cling to rocks along seacoasts, resemble limpets, and have both gills and a pulmonary sac
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