Orbicularia |
Orbicularia pectinella
|
USSR(Ukrainian SSR) |
Middle Jurassic |
|
Orbicularia |
Orbicularia commersa
sp. nov. |
USSR(Ukrainian SSR) |
Middle Jurassic |
|
Orbicularia |
Orbicularia conformis
sp. nov. |
USSR(Ukrainian SSR) |
Middle Jurassic |
|
Orbicularia |
Orbicularia imperfecta
sp. nov. |
USSR(Ukrainian SSR) |
Middle Jurassic |
|
Orbicularia |
Orbicularia imperfecta
sp. nov. |
USSR(Ukrainian SSR) |
Middle Jurassic |
|
Orbicularia |
Orbicularia gamiformis
sp. nov. |
USSR(Ukrainian SSR) |
Middle Jurassic |
|
Orbicularia |
Orbicularia latipaeformis
sp. nov. |
USSR(Ukrainian SSR) |
Middle Jurassic |
|
Orbicularia |
Orbicularia biconvexiformis
|
USSR(Ukrainian SSR) |
Late Jurassic |
Middle Jurassic |
Orbicularia |
Orbicularia cretacea
sp. nov. |
USSR(Ukrainian SSR) |
Albian |
Cenomanian |
Divisiella |
Divisiella
|
USSR(Ukrainian SSR) |
Early Cretaceous |
|
Divisiella |
Divisiella sacculifera
sp. nov. |
USSR(Ukrainian SSR) |
Early Cretaceous |
|
Divisiella |
Divisiella bibulba
sp. nov. |
USSR(Ukrainian SSR) |
Early Cretaceous |
Cenomanian |
Divisiella |
Divisiella falciformis
sp. nov. |
USSR(Ukrainian SSR) |
Early Cretaceous |
|
Falcina |
Falcina
|
USSR(Ukrainian SSR) |
Early Cretaceous |
|
Falcina |
Falcina divisa
sp. nov. |
USSR(Ukrainian SSR) |
Early Cretaceous |
|
Falcina |
Falcina divisa
sp. nov. |
USSR(Ukrainian SSR) |
Early Cretaceous |
|
Falcina |
Falcina aliferoides
sp. nov. |
USSR(Ukrainian SSR) |
Early Cretaceous |
|