Class: Rotaliata    Subclass: Rotaliana    Order: Rotaliida    Family: Quadrimorphinidae
Quadrimorphina Finlay, 1939

Quadrimorphina allomorphinoides
(Reuss, 1860)
identified by scientist   
Cretaceous
North European Plain

Quadrimorphina halli
(Jennings, 1936)
identified by scientist   
Cretaceous
Kurdistan

Quadrimorphina laevigata
(Phleger & Parker, 1951)
identified by scientist   
Quaternary
Banda, Timor and Arafura Sea

Quadrimorphina laevigata
(Phleger & Parker, 1951)
identified by scientist   
Quaternary
Banda, Timor and Arafura Sea

Quadrimorphina minuta
(Cushman, 1936)
type specimen   holotype
Cretaceous