Class: Rotaliata    Subclass: Globigerinana    Order: Heterohelicida    Family: Heterohelicidae
Bifarina Parker & Jones, 1872

Bifarina douglasi
Sliter, 1968
type specimen   holotype
Cretaceous
California

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