Aggerella |
Aggerella rotunda
|
USSR(Urals) |
Valanginian |
Middle Albian |
Aggerella |
Aggerella flexuosa
|
USSR(Urals) |
Valanginian |
|
Sagittella |
Sagittella simplicissima
|
USSR(Urals) |
Aptian |
|
Sagittella |
Sagittella trifurca
|
USSR(Urals) |
Aptian |
|
Tripartina |
Tripartina punctata
|
USSR(Urals) |
Aptian |
|
Triangulina |
Triangulina parvispinellata
|
USSR(Urals) |
Aptian |
|
Rubinella |
Rubinella granulata
|
USSR(Urals) |
Aptian |
|
Plicatella |
Plicatella incisurata
|
USSR(Urals) |
Aptian |
|
Plicatella |
Plicatella trichacantha
|
USSR(Urals) |
Aptian |
|
Trilaterina |
Trilaterina sp
|
USSR(Urals) |
Aptian |
Albian |
Orbella |
Orbella colliculoides
|
USSR(Urals) |
Aptian |
|
Politusella |
Politusella parvaereticulata
|
USSR(Urals) |
Aptian |
|
Tuberella |
Tuberella quadriformis
|
USSR(Urals) |
Aptian |
|
Triquetrella |
Triquetrella trianguliformis
|
USSR(Urals) |
Aptian |
|
Placulina |
Placulina exilis
|
USSR(Urals) |
Aptian |
|
Gyrinella |
Gyrinella simplicissima
|
USSR(Urals) |
Aptian |
|
Gyrinella |
Gyrinella limbata
|
USSR(Urals) |
Aptian |
|