Class: Rotaliata    Subclass: Globigerinana    Order: Globigerinida    Family: Globotruncanidae
Rugotruncana Broennimann & Brown, 1956

Rugotruncana circumnodifer
(Finlay, 1940)
identified by scientist   
Cretaceous
off Argentina

Rugotruncana circumnodifer
(Finlay, 1940)
identified by scientist   
Cretaceous
off Argentina

Rugotruncana subcircumnodifer
(Gandolfi, 1955)
identified by scientist   
Cretaceous
Kurdistan