First issued in release COL20.12.
Last used in release COL23.9
Published in
Smith, E. A. (1890). Report on the marine molluscan fauna of the island of St. Helena. Proceedings of the Zoological Society of London, 1890(2): 247–317, pls. 21–24. https://www.molluscabase.org/aphia.php?p=sourcedetails&id=40450