First issued in release COL21.4.
Last used in release COL22.12
Published in
Moore R.C. (ed.). (1960). Treatise on invertebrate paleontology. Part I. Mollusca 1, Gastropoda. University of Kansas Press & The Geological Society of America, Lawrence. xxiii + 351 pp. https://www.molluscabase.org/aphia.php?p=sourcedetails&id=355292