Gochteodinia |
Gochteodinia mutabilis
|
North Sea |
Middle Kimmeridgian |
Early Portlandian |
Gochteodinia |
Gochteodinia villosa
|
North Sea |
Portlandian |
Ryazanian |
Gochteodinia |
Gochteodinia virgula
|
North Sea |
Late Portlandian |
Early Ryazanian |
Gonyaulacysta |
Gonyaulacysta jurassica
|
North Sea |
Middle Oxfordian |
|
Gonyaulacysta |
Gonyaulacysta longicornis
|
North Sea |
Kimmeridgian |
|
Gonyaulacysta |
Gonyaulacysta longicornis
|
North Sea |
Kimmeridgian |
|
Gonyaulacysta |
Gonyaulacysta pennata
|
North Sea |
Kimmeridgian |
Early Portlandian |
Gonyaulacysta |
Gonyaulacysta scarburghensis
|
North Sea |
Middle Oxfordian |
|
Gonyaulacysta |
Gonyaulacysta sp.A
sp. nov. |
North Sea |
Late Ryazanian |
|
Isthmocystis |
Isthmocystis distincta
|
North Sea |
Ryazanian |
|
Kleithriasphaeridium |
Kleithriasphaeridium telaspinosum
|
North Sea |
Kimmeridgian |
|
Leptodinium |
Leptodinium mirabile
|
North Sea |
Middle Oxfordian |
Late Oxfordian |
Muderongia |
Muderongia sp.A Dave.,1982
sp. nov. |
North Sea |
Late Kimmeridgian |
Early Portlandian |
Nannoceratopsis |
Nannoceratopsis pellucida
|
North Sea |
Middle Oxfordian |
Late Oxfordian |
Oligosphaeridium |
Oligosphaeridium patulum
|
North Sea |
Late Oxfordian |
Early Portlandian |
Perisseiasphaeridium |
Perisseiasphaeridium pannosum
|
North Sea |
Kimmeridgian |
|
Prolixosphaeridium |
Prolixosphaeridium granulosum
|
North Sea |
Late Oxfordian |
Early Portlandian |