"(Riches, 1893)" . . "993287" . _:b76579873 "122820" . _:b76579873 . . _:b75752517 . "2506511" . "Oerstedia nigra (Riches, 1893)" . "Oerstedia nigra" . _:b76579873 "WoRMS id" . "Oerstedia nigra" . . . . . . "Oerstedia nigra" . _:b75752517 . . . _:b75752517 "GBIF id" . . _:b76579873 . _:b76579873 . "122820" . . _:b75752517 . . _:b75752517 "2506511" .