"Perknaster" . "Perknaster Sladen, 1889" . _:b76575914 . _:b75620882 . "Sladen, 1889" . . "Perknaster" . . . . "810036" . . . . _:b76575914 "WoRMS id" . . . _:b76575914 . _:b75620882 "2272686" . . "172579" . . _:b76575914 "172579" . "2272686" . . _:b75620882 . _:b75620882 "GBIF id" . _:b75620882 . "Perknaster" . _:b76575914 .