. _:b75824018 . "676353" . _:b76683866 . "Thracia semirugosa" . . . . _:b75824018 "6522958" . "Thracia semirugosa Reeve, 1859" . "6522958" . _:b76683866 . . . _:b75824018 . "Thracia semirugosa" . . _:b76683866 "544032" . _:b76683866 "WoRMS id" . _:b76683866 . . "Reeve, 1859" . . . "544032" . _:b75824018 "GBIF id" . _:b75824018 . .