Pareodinia |
Pareodinia groenlandica
|
Greenland |
Bathonian |
|
Pareodinia |
Pareodinia groenlandica
|
Nd |
Bathonian |
|
Pareodinia |
Pareodinia nuda
|
Nd |
Kimmeridgian |
|
Pareodinia |
Pareodinia prolongata
|
Nd |
Bajocian |
Callovian |
Parvocavatus |
Parvocavatus tuberosus
|
Nd |
Kimmeridgian |
|
Phoberocysta |
Phoberocysta neocomica
|
Nd |
Portlandian |
|
Pluriarvalium |
Pluriarvalium osmingtonense
|
Nd |
Oxfordian |
|
Polygonifera |
Polygonifera evittii
|
Nd |
Oxfordian |
Kimmeridgian |
Polysphaeridium |
Polysphaeridium caminuspinum
|
Nd |
Hettangian |
|
Polysphaeridium |
Polysphaeridium deflandrei
|
Nd |
Bathonian |
|
Polysphaeridium |
Polysphaeridium langii
|
Nd |
Hettangian |
Sinemurian |
Polystephanephorus |
Polystephanephorus calathus
|
England |
Early Oxfordian |
|
Polystephanephorus |
Polystephanephorus calathus
|
Nd |
Oxfordian |
|
Polystephanephorus |
Polystephanephorus paracalathus
|
England |
Middle Callovian |
|
Polystephanephorus |
Polystephanephorus paracalathus
|
Nd |
Callovian |
Oxfordian |
Polystephanephorus |
Polystephanephorus sarjeantii
|
Nd |
Kimmeridgian |
|
Polystephanephorus |
Polystephanephorus speciosus
|
Nd |
Callovian |
|