Genus Hysteroconcha "Fischer" W. H. Dall, 1902

(3-4-4-0-26-7-11-50-0-0-0-0-0)
[=(Hysteroconcha) P. Fischer, 1887]
Ref. Abbott, 1974 p 531
Syn. Dione J. E. Gray, 1847
Ref. Vokes, 1980 p 171
[see also as Subgenus under Genus Pitar]
Ref. Keen, 1971 p 172