Medullina |
Medullina parvipunctata
|
USSR(Urals) |
Callovian |
|
Medullina |
Medullina triquetrellaeformis
|
USSR(Urals) |
Callovian |
|
Rubinella |
Rubinella sp
|
USSR(Urals) |
Callovian |
|
Pyramidella |
Pyramidella trisecta
|
USSR(Urals) |
Callovian |
Middle Albian |
Auritulina |
Auritulina sp
|
USSR(Urals) |
Callovian |
Valanginian |
Bucculina |
Bucculina sp
|
USSR(Urals) |
Callovian |
Valanginian |
Exinella |
Exinella crispa
|
USSR(Urals) |
Triassic |
Callovian |
Politusella |
Politusella sp
|
USSR(Urals) |
Callovian |
|
Tympanea |
Tympanea subglabrinella
|
USSR(Urals) |
Callovian |
|
Oblatinella |
Oblatinella rotundiformis
|
USSR(Urals) |
Callovian |
|
Panucella |
Panucella rotundiformis
|
USSR(Urals) |
Callovian |
|
Orbicularia |
Orbicularia biangulina
|
USSR(Urals) |
Callovian |
|
Aggerella |
Aggerella sphaeriniformis
|
USSR(Urals) |
Callovian |
Valanginian |
Aggerella |
Aggerella plicatelliformis
|
USSR(Urals) |
Callovian |
Valanginian |
Brachyphyllum |
Brachyphyllum vulgare
|
USSR(Urals) |
Callovian |
|
Orbipatella |
Orbipatella exilis
|
USSR(Urals) |
Callovian |
|
Aggerella |
Aggerella corollaria
|
USSR(Urals) |
Callovian |
Valanginian |