Bennettitaceae |
Bennettitaceae involutella
sp. nov. |
USSR(Urals) |
Rhaetian |
|
Bennettitaceaeacuminella |
Bennettitaceaeacuminella
|
USSR(Urals) |
Rhaetian |
|
Bennettitaceaeacuminella |
Bennettitaceaeacuminella reticulata
sp. nov. |
USSR(Urals) |
Rhaetian |
|
Bennettitaceaeacuminella |
Bennettitaceaeacuminella simplex
sp. nov. |
USSR(Urals) |
Rhaetian |
|
Bennettitaceaeinvolutella |
Bennettitaceaeinvolutella bilateralis
sp. nov. |
USSR(Urals) |
Rhaetian |
|
Bracteolina |
Bracteolina colliculoides
sp. nov. |
USSR(Urals) |
Keuper |
Rhaetian |
Bracteolina |
Bracteolina proteae
sp. nov. |
USSR(Urals) |
Rhaetian |
|
Bracteolina |
Bracteolina rotunda
sp. nov. |
USSR(Urals) |
Rhaetian |
|
Bullulina |
Bullulina mollusca
sp. nov. |
USSR(Urals) |
Rhaetian |
|
Bullulina |
Bullulina reticulata
sp. nov. |
USSR(Urals) |
Rhaetian |
Liassic |
Bullulina |
Bullulina vulgaris
sp. nov. |
USSR(Urals) |
Rhaetian |
Liassic |
Caytodipterella |
Caytodipterella gamoalata
sp. nov. |
USSR(Urals) |
Rhaetian |
|
Circella |
Circella exilis
sp. nov. |
USSR(Urals) |
Triassic |
|
Corollaria |
Corollaria annularis
sp. nov. |
USSR(Urals) |
Rhaetian |
|
Corollaria |
Corollaria glabrescens
sp. nov. |
USSR(Urals) |
Early Rhaetian |
|
Crassulina |
Crassulina
|
USSR(Urals) |
Keuper |
Rhaetian |
Crassulina |
Crassulina gigantea
sp. nov. |
USSR(Urals) |
Keuper |
Rhaetian |