Alsophila |
Alsophila asperatus
|
USSR(Siberia) |
Late Jurassic |
Early Cretaceous |
Alsophylites |
Alsophylites
|
USSR(Siberia) |
Late Jurassic |
Early Cretaceous |
Alsophylites |
Alsophylites asperatus
|
USSR(WSL) |
Triassic |
|
Alsophylites |
Alsophylites asperatus
|
USSR(Siberia) |
Late Jurassic |
Early Cretaceous |
Alsophylites |
Alsophylites irregularispinosa
sp. nov. |
USSR(WSL) |
Early Triassic |
|
Alsophylites |
Alsophylites irregularispinosa
sp. nov. |
USSR(WSL) |
Early Triassic |
|
Auritulina |
Auritulina tricoccaeletiferus
|
USSR(Urals) |
Keuper |
|
Bullulina |
Bullulina mollusca
|
USSR(WSL) |
Late Triassic |
|
Bullulina |
Bullulina mollusca
|
USSR(Trans-Urals) |
Late Triassic |
|
Bullulina |
Bullulina mollusca
|
USSR(WSL) |
Late Triassic |
|
Bullulina |
Bullulina mollusca
|
USSR(WSL) |
Middle Keuper |
|
Bullulina |
Bullulina plicata
sp. nov. |
USSR(WSL) |
Middle Triassic |
|
Bullulina |
Bullulina plicata
sp. nov. |
USSR(WSL) |
Triassic |
|
Bullulina |
Bullulina plicata
sp. nov. |
USSR(Urals) |
Triassic |
|
Bullulina |
Bullulina reticulata
sp. nov. |
USSR(WSL) |
Late Triassic |
|
Bullulina |
Bullulina reticulata
sp. nov. |
USSR(WSL) |
Late Triassic |
|
Bullulina |
Bullulina reticulata
sp. nov. |
USSR(WSL) |
Middle Keuper |
|