Acuminella |
Acuminella glabrescens
|
USSR(Ukrainian SSR) |
Middle Jurassic |
|
Acuminella |
Acuminella marginata
sp. nov. |
USSR(Ukrainian SSR) |
Early Jurassic |
|
Circellina |
Circellina
|
USSR(Ukrainian SSR) |
Late Jurassic |
|
Circellina |
Circellina imperfecta
sp. nov. |
USSR(Ukrainian SSR) |
Late Jurassic |
|
Circellina |
Circellina bicycla
sp. nov. |
USSR(Ukrainian SSR) |
Late Jurassic |
|
Tsugella |
Tsugella
|
USSR(Ukrainian SSR) |
Late Cretaceous |
|
Tsugella |
Tsugella patellaeformis
sp. nov. |
USSR(Ukrainian SSR) |
Albian |
Cenomanian |
Tsugella |
Tsugella relativa
sp. nov. |
USSR(Ukrainian SSR) |
Early Cretaceous |
|
Circulina |
Circulina
|
USSR(Ukrainian SSR) |
Early Jurassic |
|
Circulina |
Circulina funifera
sp. nov. |
USSR(Ukrainian SSR) |
Early Jurassic |
|
Circulina |
Circulina simplex
sp. nov. |
USSR(Ukrainian SSR) |
Early Jurassic |
|
Circulina |
Circulina simplex
sp. nov. |
USSR(Ukrainian SSR) |
Early Jurassic |
|
Circulina |
Circulina simplex
sp. nov. |
USSR(Ukrainian SSR) |
Early Jurassic |
|
Corollina |
Corollina
|
USSR(Ukrainian SSR) |
Early Jurassic |
|
Corollina |
Corollina compacta
sp. nov. |
USSR(Ukrainian SSR) |
Early Jurassic |
|
Scutrina |
Scutrina
|
USSR(Ukrainian SSR) |
Middle Jurassic |
|
Scutrina |
Scutrina glabra
sp. nov. |
USSR(Ukrainian SSR) |
Middle Jurassic |
|