Placulina |
Placulina fasciata
sp. nov. |
USSR(Ukrainian SSR) |
Middle Jurassic |
|
Placulina |
Placulina fasciformis
sp. nov. |
USSR(Urals) |
Late Cretaceous |
|
Placulina |
Placulina prostrata
sp. nov. |
USSR(Omskaya Oblast) |
Early Cretaceous |
|
Placulina |
Placulina prostrata
sp. nov. |
USSR(Omskaya Oblast) |
Early Cretaceous |
|
Placulina |
Placulina prostrata
sp. nov. |
USSR(Omskaya Oblast) |
Early Cretaceous |
|
Placulina |
Placulina prostrata
sp. nov. |
USSR(Omskaya Oblast) |
Early Cretaceous |
|
Placulina |
Placulina prostrata
sp. nov. |
USSR(Omskaya Oblast) |
Early Cretaceous |
|
Placulina |
Placulina prostrata
sp. nov. |
USSR(Omskaya Oblast) |
Early Cretaceous |
|
Planorbina |
Planorbina
|
USSR(Omskaya Oblast) |
Early Cretaceous |
|
Planorbina |
Planorbina cycliformis
sp. nov. |
USSR(Omskaya Oblast) |
Early Cretaceous |
|
Planorbina |
Planorbina limbyfera
sp. nov. |
USSR(Omskaya Oblast) |
Early Cretaceous |
|
Planorbina |
Planorbina reticulata
sp. nov. |
USSR(Ukrainian SSR) |
Middle Jurassic |
|
Planorbina |
Planorbina speciosa
sp. nov. |
USSR(Ukrainian SSR) |
Middle Jurassic |
|
Platychila |
Platychila
|
USSR(Ukrainian SSR) |
Early Jurassic |
Middle Jurassic |
Platychila |
Platychila planiformis
sp. nov. |
USSR(Ukrainian SSR) |
Early Jurassic |
Middle Jurassic |
Platychila |
Platychila simplex
sp. nov. |
USSR(Ukrainian SSR) |
Early Jurassic |
Middle Jurassic |
Platychila |
Platychila stromatifera
sp. nov. |
USSR(Ukrainian SSR) |
Jurassic |
|