Query Genus Locality Fossil Stomatorbina concentrica Main Key to Species About Contact
Class: Rotaliata    Subclass: Globigerinana    Order: Globigerinida    Family: Hedbergellidae
Bollitruncana Korchagin, 2001

Bollitruncana carpathica
(Scheibnerova, 1963)
identified by scientist   
Cretaceous
East Coast

Bollitruncana posthelvetica
(Hanzlikova, 1963)
identified by scientist   
Cretaceous
East Coast