Subgenus (Callithaca) W. H. Dall, 1902

(3-4-4-0-26-7-14-54-2-0-0-0-0)

restorationensis D. L. Frizzel, 1930
(3-4-4-0-26-7-14-54-2-1-0-0-0)
[=Protothaca (Callithaca) tenerrima (P. P. Carpenter, 1857)]
Ref. Bernard, 1983 p 52

tenerrima P. P. Carpenter, 1857
(3-4-4-0-26-7-14-54-2-2-0-0-0)

alta L. N. Waterfall, 1929
(3-4-4-0-26-7-14-54-2-2-1-0-0)
[=Protothaca (Callithaca) tenerrima (P. P. Carpenter, 1857)]
Ref. Bernard, 1983 p 52