Pluriarvalium |
Pluriarvalium osmingtonense
|
Nd |
Middle Kimmeridgian |
Portlandian |
Polygonifera |
Polygonifera evittii
|
Nd |
Late Oxfordian |
Early Kimmeridgian |
Polysphaeridium |
Polysphaeridium caminuspinum
|
Nd |
Sinemurian |
|
Polysphaeridium |
Polysphaeridium deflandrei
|
Nd |
Late Toarcian |
Aalenian |
Polysphaeridium |
Polysphaeridium langii
|
Nd |
Late Hettangian |
Early Sinemurian |
Polystephanephorus |
Polystephanephorus calathus
|
Nd |
Early Callovian |
Middle Callovian |
Polystephanephorus |
Polystephanephorus euryanthus
|
Nd |
Middle Oxfordian |
Portlandian |
Polystephanephorus |
Polystephanephorus paracalathus
|
Nd |
Early Callovian |
Middle Oxfordian |
Polystephanephorus |
Polystephanephorus sarjeantii
|
Nd |
Kimmeridgian |
|
Prolixosphaeridium |
Prolixosphaeridium basifurcatum
|
Nd |
Late Kimmeridgian |
Portlandian |
Prolixosphaeridium |
Prolixosphaeridium deirense
|
Nd |
Early Kimmeridgian |
|
Prolixosphaeridium |
Prolixosphaeridium granulosum
|
Nd |
Late Oxfordian |
Portlandian |
Prolixosphaeridium |
Prolixosphaeridium mixtispinosum
|
Nd |
Kimmeridgian |
|
Prolixosphaeridium |
Prolixosphaeridium parvispinum
|
Nd |
Late Oxfordian |
Portlandian |
Prolixosphaeridium |
Prolixosphaeridium toryna
|
Nd |
Nd |
|
Psaligonyaulax |
Psaligonyaulax apatela
|
Nd |
Middle Oxfordian |
Late Portlandian |
Rhaetogonyaulax |
Rhaetogonyaulax rhaetica
|
Nd |
Rhaetian |
Early Hettangian |