Subgenus (Calyptogena) W. H. Dall, 1891

(3-5-4-0-18-7-0-5-3-0-0-0-0)
Ref. Bernard, 1983 p 50

elongata W. H. Dall, 1916 [not Akebiconcha kawamurai elongata Ozaki, 1958]
(3-5-4-0-18-7-0-5-2-1-0-0-0)
[=Calyptogena (Ectenagena) elongata W. H. Dall, 1916]
Ref. Bernard, 1983 p 50

gibbera C. H. Crickmay, 1929
(3-5-4-0-18-7-0-5-2-2-0-0-0)
[=Calyptogena (Calyptogena) pacifica W. H. Dall, 1891]
Ref. Bernard, 1983 p 50

kilmeri F. R. Bernard, 1974
(3-5-4-0-18-7-0-5-2-3-0-0-0)
Syn. Calyptogena (Archivesica) kilmeri F. R. Bernard, 1974
Ref. Bernard, 1983 p 50

pacifica W. H. Dall, 1891 [T]
(3-5-4-0-18-7-0-5-2-4-0-0-0)
Ref. Abbott, 1974 p 519 d
Syn. Calyptogena (Calyptogena) gibbera C. H. Crickmay, 1929;
? Calyptogena (Calyptogena) panamensis A. A. Olsson, 1942
Ref. Bernard, 1983 p 50

panamensis A. A. Olsson, 1942
(3-5-4-0-18-7-0-5-2-5-0-0-0)
[?=Calyptogena (Calyptogena) pacifica W. H. Dall, 1891]
Ref. Bernard, 1983 p 50

ponderosa K. J. Boss, 1968
(3-5-4-0-18-7-0-5-2-6-0-0-0)
Ref. Abbott, 1974 p 519