. _:b76002635 . _:b76575634 . "Spondylosium tetragonum West & G.S.West, 1892" . . _:b76575634 "WoRMS id" . . _:b76575634 . "2649823" . . _:b75401938 "AlgaeBase id" . _:b75401938 . "Spondylosium tetragonum" . . . . _:b75401938 . _:b76575634 . "651310" . . _:b76002635 "GBIF id" . "Spondylosium tetragonum" . "wa8e5bbe7f447f3d8" . _:b76002635 . . _:b75401938 "wa8e5bbe7f447f3d8" . "609113" . "Spondylosium tetragonum" . _:b76575634 "609113" . . _:b76002635 "2649823" . _:b76002635 . _:b75401938 . . "West & G.S.West, 1892" .