. _:b76745764 . "Placusa" . "Placusa Erichson, 1837" . "Placusa" . _:b76745764 "ZooBank id" . _:b76745764 "46b3bd56-33d7-4905-a262-7b66e5396fff" . _:b76745764 . . "46b3bd56-33d7-4905-a262-7b66e5396fff" . _:b76745764 . "Erichson, 1837" . "196333" . . . . . . . "Placusa" .