Query Genus Locality Fossil Stomatorbina concentrica Main Key to Species About Contact
Class: Rotaliata    Subclass: Textulariana    Order: Lituolida    Family: Reophacellidae
Heterostomella Reuss, 1866

Heterostomella austinana
Cushman, 1933
identified by scientist   
Cretaceous
North Africa

Heterostomella carinata
(Franke, 1914)
identified by scientist   
Cretaceous
Carpathians

Heterostomella foveolata
(Marsson, 1878)
identified by scientist   
Cretaceous
North European Plain

Heterostomella gracilis
Hofker, 1956
identified by scientist   
Cretaceous
North European Plain