"Retusa umbilicata" . "156376" . _:b76637784 "WoRMS id" . . _:b75731704 "2291704" . . "2291704" . _:b76637784 . _:b75731704 . . . _:b76637784 "156376" . "Retusa umbilicata (Montagu, 1803)" . _:b75731704 . . _:b75731704 "GBIF id" . . "63167" . "Retusa umbilicata" . . _:b76637784 . . . . . "(Montagu, 1803)" . _:b76637784 . . _:b75731704 . "Retusa umbilicata" .