Oligosphaeridium |
Oligosphaeridium patulum
|
North Sea |
Middle Kimmeridgian |
Middle Volgian |
Oligosphaeridium |
Oligosphaeridium pulcherrimum
|
North Sea |
Middle Oxfordian |
Middle Kimmeridgian |
Pareodinia |
Pareodinia ceratophora
|
North Sea |
Middle Oxfordian |
Late Oxfordian |
Pareodinia |
Pareodinia mutabilis
|
North Sea |
Middle Volgian |
|
Pareodinia |
Pareodinia prolongata
|
North Sea |
Callovian |
|
Perisseiasphaeridium |
Perisseiasphaeridium pannosum
|
North Sea |
Late Oxfordian |
Middle Volgian |
Prolixosphaeridium |
Prolixosphaeridium granulosum
|
North Sea |
Early Volgian |
Middle Volgian |
Pterospermella |
Pterospermella sp
|
North Sea |
Late Volgian |
Ryazanian |
Rigaudella |
Rigaudella aemula
|
North Sea |
Oxfordian |
|
Scriniodinium |
Scriniodinium luridum
|
North Sea |
Early Volgian |
|
Scriniodinium |
Scriniodinium sp
|
North Sea |
Early Oxfordian |
|
Sirmiodiniopsis |
Sirmiodiniopsis orbis
|
North Sea |
Early Oxfordian |
|
Systematophora |
Systematophora palmula
|
North Sea |
Late Ryazanian |
|
Systematophora |
Systematophora sp
|
North Sea |
Middle Volgian |
|
Tasmanites |
Tasmanites sp
|
North Sea |
Volgian |
Ryazanian |
Tehamadinium |
Tehamadinium daveyi
|
North Sea |
Late Ryazanian |
|
Uvaesporites |
Uvaesporites sp
|
North Sea |
Early Volgian |
|