Palaeohystrichophora |
Palaeohystrichophora infusorioides
|
USA(Eastern Offshore) |
Albian |
Cenomanian |
Epelidosphaeridia |
Epelidosphaeridia spinosa
|
USA(Eastern Offshore) |
Late Albian |
Cenomanian |
Cleistosphaeridium |
Cleistosphaeridium polypes
|
USA(Eastern Offshore) |
Barremian |
Early Cenomanian |
Spinidinium |
Spinidinium vestitum
|
USA(Eastern Offshore) |
Albian |
Cenomanian |
Cribroperidinium |
Cribroperidinium edwardsii
|
USA(Eastern Offshore) |
Barremian |
Early Cenomanian |
Litosphaeridium |
Litosphaeridium siphoniphorum
|
USA(Eastern Offshore) |
Late Albian |
Early Cenomanian |
Subtilisphaera |
Subtilisphaera pirnaensis
|
USA(Eastern Offshore) |
Berriasian |
Early Albian |
Cyclonephelium |
Cyclonephelium tabulatum
|
USA(Eastern Offshore) |
Late Barremian |
Early Albian |
Kleithriasphaeridium |
Kleithriasphaeridium eoinodes
|
USA(Eastern Offshore) |
Barremian |
Aptian |
Aptea |
Aptea polymorpha
|
USA(Eastern Offshore) |
Aptian |
|
Muderongia |
Muderongia mcwhaei
|
USA(Eastern Offshore) |
Late Barremian |
Aptian |
Muderongia |
Muderongia simplex
|
USA(Eastern Offshore) |
Late Kimmeridgian |
Barremian |
Muderongia |
Muderongia perforata
|
USA(Eastern Offshore) |
Berriasian |
Barremian |
Pseudoceratium |
Pseudoceratium pelliferum
|
USA(Eastern Offshore) |
Late Kimmeridgian |
Barremian |
Aptea |
Aptea anaphrissa
|
USA(Eastern Offshore) |
Barremian |
|
Systematophora |
Systematophora sp
|
USA(Eastern Offshore) |
Bathonian |
Early Barremian |
Ctenidodinium |
Ctenidodinium elegantulum
|
USA(Eastern Offshore) |
Late Kimmeridgian |
Early Barremian |