Pterina |
Pterina obliqua
sp. nov. |
USSR(Omskaya Oblast) |
Early Jurassic |
|
Ventosella |
Ventosella platychila
sp. nov. |
USSR(Omskaya Oblast) |
Early Cretaceous |
|
Exinella |
Exinella obducta
sp. nov. |
USSR(Omskaya Oblast) |
Early Jurassic |
Middle Jurassic |
Exinella |
Exinella reticulata
sp. nov. |
USSR(Omskaya Oblast) |
Albian |
Late Cretaceous |
Exinella |
Exinella simplicissima
sp. nov. |
USSR(Omskaya Oblast) |
Late Triassic |
Early Jurassic |
Sphaerina |
Sphaerina spinigera
sp. nov. |
USSR(Omskaya Oblast) |
Middle Jurassic |
|
Monoletella |
Monoletella cretacea
sp. nov. |
USSR(Omskaya Oblast) |
Albian |
Cenomanian |
Panucella |
Panucella ovalis
sp. nov. |
USSR(Omskaya Oblast) |
Late Jurassic |
Early Neocomian |
Extremella |
Extremella applicata
sp. nov. |
USSR(Omskaya Oblast) |
Late Cretaceous |
|
Rotundina |
Rotundina trivialis
sp. nov. |
USSR(Omskaya Oblast) |
Early Cretaceous |
|
Rotundina |
Rotundina glabrescens
sp. nov. |
USSR(Omskaya Oblast) |
Early Cretaceous |
|
Sacculina |
Sacculina mediocris
sp. nov. |
USSR(Omskaya Oblast) |
Early Jurassic |
|
Sacculina |
Sacculina orbiculata
sp. nov. |
USSR(Omskaya Oblast) |
Late Jurassic |
|
Sinuella |
Sinuella paradoxa
sp. nov. |
USSR(Omskaya Oblast) |
Early Cretaceous |
Cenomanian |
Utricellina |
Utricellina glabrescens
sp. nov. |
USSR(Omskaya Oblast) |
Albian |
Cenomanian |
Bialina |
Bialina sacculifera
sp. nov. |
USSR(Omskaya Oblast) |
Early Cretaceous |
|
Bialina |
Bialina sinuatella
sp. nov. |
USSR(Omskaya Oblast) |
Albian |
Cenomanian |