Jurea |
Jurea
|
USSR(Ukrainian SSR) |
Early Jurassic |
|
Jurea |
Jurea punctatula
sp. nov. |
USSR(Ukrainian SSR) |
Early Jurassic |
|
Lagenella |
Lagenella
|
USSR(Ukrainian SSR) |
Early Jurassic |
|
Lagenella |
Lagenella cincta
sp. nov. |
USSR(Ukrainian SSR) |
Late Triassic |
Early Jurassic |
Lagenella |
Lagenella cretacea
sp. nov. |
USSR(Omskaya Oblast) |
Early Cretaceous |
|
Lagenella |
Lagenella pachydermata
sp. nov. |
USSR(Ukrainian SSR) |
Jurassic |
Early Neocomian |
Lagenella |
Lagenella pervelata
sp. nov. |
USSR(Ukrainian SSR) |
Early Jurassic |
|
Limbatella |
Limbatella
|
USSR(Omskaya Oblast) |
Early Cretaceous |
|
Limbatella |
Limbatella glabrescens
sp. nov. |
USSR(Omskaya Oblast) |
Early Cretaceous |
|
Medullina |
Medullina
|
USSR(Ukrainian SSR) |
Early Cretaceous |
|
Medullina |
Medullina cardioliformis
sp. nov. |
USSR(Omskaya Oblast) |
Early Cretaceous |
|
Medullina |
Medullina cardioliformis
sp. nov. |
USSR(Omskaya Oblast) |
Early Cretaceous |
|
Medullina |
Medullina cardioliformis
sp. nov. |
USSR(Omskaya Oblast) |
Albian |
Cenomanian |
Medullina |
Medullina exaurita
sp. nov. |
USSR(Ukrainian SSR) |
Early Jurassic |
Middle Jurassic |
Medullina |
Medullina exilis
sp. nov. |
USSR(Ukrainian SSR) |
Early Jurassic |
|
Medullina |
Medullina mollis
sp. nov. |
USSR(Ukrainian SSR) |
Early Jurassic |
Middle Jurassic |
Medullina |
Medullina pachydermata
sp. nov. |
USSR(Krasnoyarsk Kray) |
Early Cretaceous |
|