Subgenus (Archivesica) W. H. Dall, 1908

(3-5-4-0-18-7-0-16-1-0-0-0-0)
Ref. Abbott, 1974 p 519
Keen, 1971 p 116
[see also under Genus Calyptogena]

gigas (W. H. Dall, 1896) [T]
(3-5-4-0-18-7-0-16-1-1-0-0-0)
Ref. Abbott, 1974 p 519
Keen, 1971 p 116 d

suavis W. H. Dall, 1913
(3-5-4-0-18-7-0-16-1-2-0-0-0)
Ref. Abbott, 1974 p 519 d
[=Vesicoyma (Callocardia) suavis W. H. Dall, 1913]
Ref. Bernard, 1983 p 50