Bialina |
Bialina ovaliformis
sp. nov. |
USSR(Aktyubinskaya) |
Early Cretaceous |
Cenomanian |
Aliferina |
Aliferina falcata
sp. nov. |
USSR(Aktyubinskaya) |
Early Jurassic |
|
Aliferina |
Aliferina falcata
sp. nov. |
USSR(Aktyubinskaya) |
Early Jurassic |
|
Aliferina |
Aliferina variabilis
sp. nov. |
USSR(Aktyubinskaya) |
Middle Jurassic |
|
Aliferina |
Aliferina variabilis
sp. nov. |
USSR(Aktyubinskaya) |
Early Jurassic |
|
Aliferina |
Aliferina variabilis
sp. nov. |
USSR(Aktyubinskaya) |
Early Jurassic |
Middle Jurassic |
Aliferina |
Aliferina prolongata
sp. nov. |
USSR(Aktyubinskaya) |
Early Jurassic |
|
Aliferina |
Aliferina orbiculata
sp. nov. |
USSR(Aktyubinskaya) |
Early Jurassic |
|
Oblatinella |
Oblatinella rotundiformis
sp. nov. |
USSR(Aktyubinskaya) |
Early Cretaceous |
|
Oblatinella |
Oblatinella mixta
sp. nov. |
USSR(Aktyubinskaya) |
Early Jurassic |
|
Oblatinella |
Oblatinella media
sp. nov. |
USSR(Aktyubinskaya) |
Early Jurassic |
|
Orbicularia |
Orbicularia biconvexa
|
USSR(Aktyubinskaya) |
Middle Jurassic |
|
Orbicularia |
Orbicularia variabiliformis
sp. nov. |
USSR(Aktyubinskaya) |
Middle Jurassic |
|
Orbicularia |
Orbicularia commersa
sp. nov. |
USSR(Aktyubinskaya) |
Middle Jurassic |
|
Quadraeculina |
Quadraeculina anellaeformis
sp. nov. |
USSR(Aktyubinskaya) |
Late Triassic |
Early Jurassic |
Retectina |
Retectina punctata
sp. nov. |
USSR(Aktyubinskaya) |
Late Triassic |
Early Jurassic |
Retectina |
Retectina glabra
sp. nov. |
USSR(Aktyubinskaya) |
Late Triassic |
Early Jurassic |