Genus Helicophlegma A. Orbigny, 1835

(5-4-2-0-1-1-0-5-0-0-0-0-0)
[=Oxygyrus W. H. Benson, 1835]
Ref. Abbott, 1974 p 133
Keen, 1971 p 470
Vaught, 1989 p 35