Cyclina |
Cyclina punctata
sp. nov. |
USSR(Pre-Urals) |
Permian |
Early Jurassic |
Patellina |
Patellina plicata
sp. nov. |
USSR(Pre-Urals) |
Early Triassic |
Early Jurassic |
Triquetrella |
Triquetrella cardiformis
sp. nov. |
USSR(Pre-Urals) |
Late Triassic |
|
Cyclina |
Cyclina textata
sp. nov. |
USSR(Pre-Urals) |
Triassic |
|
Exinella |
Exinella magnotuberculata
|
USSR(Pre-Urals) |
Keuper |
|
Bracteolina |
Bracteolina colliculoides
sp. nov. |
USSR(Pre-Urals) |
Rhaetian |
|
Rubinella |
Rubinella exilis
sp. nov. |
USSR(Pre-Urals) |
Rhaetian |
|
Bracteolina |
Bracteolina proteae
sp. nov. |
USSR(Pre-Urals) |
Rhaetian |
|
Bracteolina |
Bracteolina rotunda
sp. nov. |
USSR(Pre-Urals) |
Rhaetian |
|
Sphaerina |
Sphaerina spinellata
sp. nov. |
USSR(Pre-Urals) |
Rhaetian |
|
Rubinella |
Rubinella tuberculata
sp. nov. |
USSR(Pre-Urals) |
Rhaetian |
|
Exinella |
Exinella obducta
sp. nov. |
USSR(Pre-Urals) |
Rhaetian |
|
Quadrella |
Quadrella plicata
sp. nov. |
USSR(Pre-Urals) |
Rhaetian |
|
Pterina |
Pterina tenuiptera
sp. nov. |
USSR(Pre-Urals) |
Rhaetian |
|
Ventosella |
Ventosella leioptera
sp. nov. |
USSR(Pre-Urals) |
Rhaetian |
|
Limbella |
Limbella pachyptera
sp. nov. |
USSR(Pre-Urals) |
Rhaetian |
|
Nigrina |
Nigrina nigritellaeformis
sp. nov. |
USSR(Pre-Urals) |
Rhaetian |
|