Gerochammina conversa
(Grzybowski, 1901)
identified by scientist   
Cretaceous
Carpathians

Gerochammina lenis
(Grzybowski, 1896)
identified by scientist   
Cretaceous
Barents Sea

Gerochammina lenis
(Grzybowski, 1896)
identified by scientist   
Cretaceous
North European Plain

Gerochammina obesa
Neagu, 1990
identified by scientist   
Cretaceous
Barents Sea

Gerochammina stanislawi
Neagu, 1990
identified by scientist   
Cretaceous
Barents Sea