"Purpura viduata" . . _:b75982859 . . . _:b75982859 . _:b75982859 "GBIF id" . . _:b76733402 . "5725786" . . "Purpura viduata" . _:b76733402 . "K\u00FCster, 1859" . "581076" . "397121" . . _:b75982859 . _:b76733402 "397121" . "Purpura viduata K\u00FCster, 1859" . . . . _:b76733402 . . . _:b75982859 "5725786" . _:b76733402 "WoRMS id" .