Bifarina adelae
Liebus, 1911
type specimen   holotype
Paleogene

Bifarina dalli
Cushman, 1926
type specimen   holotype
Paleogene

Bifarina douglasi
Sliter, 1968
type specimen   holotype
Cretaceous
California

Bifarina inopinata
(Cushman & Stainforth, 1945)
identified by scientist   
Paleogene
Mediterranean

Bifarina nodosaria
White, 1929
type specimen   holotype
Cretaceous

Bifarina reticulosa
Cushman, 1936
type specimen   holotype
Neogene

Bifarina reticulosa
Cushman, 1936
identified by M. Hesemann   
Paleogene
South-Western France

Bifarina vicksburgensis
(Cushman, 1922)
type specimen   holotype
Paleogene

Bifarina zanzibarensis
Cushman, 1936
type specimen   holotype
Quaternary