Genus Lamelliconcha W. H. Dall, 1902

(3-4-4-0-26-7-11-53-0-0-0-0-0)
Ref. Vokes, 1980 p 171
[see also as Subgenus under Genus Pitar]
Ref. Keen, 1971 p 172

circinata
(3-4-4-0-26-7-11-53-0-1-0-0-0)

vinacea A. A. Olsson, 1961
(3-4-4-0-26-7-11-53-0-1-1-0-0)
[=Pitar (Lamelliconcha) vinaceus (A. A. Olsson, 1961)]
Ref. Bernard, 1983 p 55