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Class:
Rotaliata
Subclass:
Globigerinana
Order:
Globigerinida
Family:
Globotruncanidae
Rugotruncana
Brönnimann & 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
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