Cleistosphaeridium |
Cleistosphaeridium multispinosum
|
Alaska(North Slope) |
Middle Albian |
Early Cenomanian |
Oligosphaeridium |
Oligosphaeridium irregulare
|
Alaska(North Slope) |
Middle Albian |
Early Cenomanian |
Luxadinium |
Luxadinium propatulum
|
Alaska(North Slope) |
Middle Albian |
Late Albian |
Muderongia |
Muderongia sp
|
Alaska(North Slope) |
Aptian |
Early Albian |
Cyclonephelium |
Cyclonephelium sp
|
Alaska(North Slope) |
Early Albian |
|
Spinidinium |
Spinidinium vestitum
|
Alaska(North Slope) |
Middle Albian |
Late Albian |
Pseudoceratium |
Pseudoceratium expolitum
|
Alaska(North Slope) |
Middle Albian |
|
Batioladinium |
Batioladinium jaegeri
|
Alaska(North Slope) |
Middle Albian |
Late Albian |
Oligosphaeridium |
Oligosphaeridium sp
|
Alaska(North Slope) |
Middle Albian |
Late Albian |
Cribroperidinium |
Cribroperidinium intricatum
|
Alaska(North Slope) |
Middle Albian |
Late Albian |
Cyclonephelium |
Cyclonephelium compactum
|
Alaska(North Slope) |
Middle Albian |
Late Albian |
Luxadinium |
Luxadinium sp
|
Alaska(North Slope) |
Middle Albian |
Early Cenomanian |
Cleistosphaeridium |
Cleistosphaeridium sp.A
sp. nov. |
Alaska(North Slope) |
Middle Albian |
Early Cenomanian |
Deflandrea |
Deflandrea sp.D May,1979
sp. nov. |
Alaska(North Slope) |
Middle Albian |
Early Cenomanian |
Deflandrea |
Deflandrea minor
|
Alaska(North Slope) |
Cretaceous |
|
Polysphaeridium |
Polysphaeridium sp.A
sp. nov. |
Alaska(North Slope) |
Middle Albian |
Early Cenomanian |
Odontochitina |
Odontochitina costata
|
Alaska(North Slope) |
Middle Albian |
Early Cenomanian |