Exiguisphaera |
Exiguisphaera plectilis
|
North Sea |
Early Aptian |
|
Gonyaulacysta |
Gonyaulacysta kleithria
|
North Sea |
Early Aptian |
|
Pseudoceratium |
Pseudoceratium polymorphum
|
North Sea |
Aptian |
|
Cerbia |
Cerbia tabulata
|
North Sea |
Late Aptian |
|
Systematophora |
Systematophora silybum
|
North Sea |
Late Aptian |
|
Kleithriasphaeridium |
Kleithriasphaeridium eoinodes
|
North Sea |
Late Aptian |
|
Ellipsoidictyum |
Ellipsoidictyum imperfectum
|
North Sea |
Late Aptian |
Early Cenomanian |
Subtilisphaera |
Subtilisphaera perlucida
|
North Sea |
Early Albian |
|
Cauca |
Cauca parva
|
North Sea |
Early Albian |
Middle Albian |
Dichadogonyaulax |
Dichadogonyaulax culmula
|
North Sea |
Late Ryazanian |
|
Systematophora |
Systematophora cretacea
|
North Sea |
Middle Albian |
|
Cribroperidinium |
Cribroperidinium sp
|
North Sea |
Middle Albian |
|
Protoellipsodinium |
Protoellipsodinium spinosum
|
North Sea |
Late Albian |
|
Ovoidinium |
Ovoidinium scabrosum
|
North Sea |
Late Albian |
|
Endoceratium |
Endoceratium turneri
|
North Sea |
Late Albian |
|
Gonyaulacysta |
Gonyaulacysta helicoidea
|
North Sea |
Late Albian |
|
Palaeohystrichophora |
Palaeohystrichophora infusorioides
|
North Sea |
Late Albian |
|