Divisiella |
Divisiella bibulba
sp. nov. |
USSR(Urals) |
Early Cretaceous |
|
Falcina |
Falcina aliferoides
sp. nov. |
USSR(Urals) |
Early Cretaceous |
|
Spirellina |
Spirellina binocularica
sp. nov. |
USSR(Urals) |
Albian |
Cenomanian |
Retectina |
Retectina punctata
sp. nov. |
USSR(Urals) |
Late Triassic |
Early Jurassic |
Retectina |
Retectina glabra
sp. nov. |
USSR(Urals) |
Late Triassic |
Early Jurassic |
Siliculina |
Siliculina monoclina
sp. nov. |
USSR(Urals) |
Middle Jurassic |
|
Acuminella |
Acuminella glabrescens
|
USSR(Urals) |
Middle Jurassic |
|
Acuminella |
Acuminella marginata
sp. nov. |
USSR(Urals) |
Early Jurassic |
|
Aggerotsugella |
Aggerotsugella major
sp. nov. |
USSR(Urals) |
Late Cretaceous |
|
Tsugella |
Tsugella relativa
sp. nov. |
USSR(Urals) |
Early Cretaceous |
|
Patellina |
Patellina exilis
sp. nov. |
USSR(Urals) |
Middle Jurassic |
|
Patellina |
Patellina exilis
sp. nov. |
USSR(Urals) |
Middle Jurassic |
|
Patellina |
Patellina pseudolimbata
sp. nov. |
USSR(Urals) |
Early Cretaceous |
Cenomanian |
Pollenites |
Pollenites ahyatus
sp. nov. |
USSR(Urals) |
Neocomian |
Cenomanian |
Aggerella |
Aggerella corollaria
sp. nov. |
USSR(Urals) |
Early Jurassic |
|
Bullulina |
Bullulina aggerelloides
sp. nov. |
USSR(Urals) |
Early Cretaceous |
|
Bullulina |
Bullulina aggerelloides
sp. nov. |
USSR(Urals) |
Jurassic |
Cretaceous |