Belodinium |
Belodinium dysculum
|
USA(Atlantic Coast.Pl.) |
Tithonian |
|
Belodinium |
Belodinium dysculum
|
California |
Tithonian |
|
Biorbifera |
Biorbifera johnewingii
|
USA(Atlantic Coast.Pl.) |
Berriasian |
Valanginian |
Biorbifera |
Biorbifera johnewingii
|
Canada(Arctic) |
Valanginian |
|
Biorbifera |
Biorbifera johnewingii
|
California |
Berriasian |
Valanginian |
Biorbifera |
Biorbifera johnewingii
|
Atlantic Coast Offshore |
Berriasian |
Valanginian |
Canningia |
Canningia sp
|
Alaska(North Slope) |
Neocomian |
|
Cerebropollenites |
Cerebropollenites
|
Alaska(North Slope) |
Neocomian |
|
Cerebropollenites |
Cerebropollenites mesozoicus
|
North America |
Tithonian |
|
Classopollis |
Classopollis
|
Alaska(North Slope) |
Neocomian |
|
Classopollis |
Classopollis classoides
|
North America |
Tithonian |
|
Ctenidodinium |
Ctenidodinium elegantulum
|
Atlantic Coast Offshore |
Hauterivian |
|
Ctenidodinium |
Ctenidodinium panneum
|
Atlantic Coast Offshore |
Tithonian |
|
Dingodinium |
Dingodinium cerviculum
|
USA(Atlantic Coast.Pl.) |
Berriasian |
Valanginian |
Dingodinium |
Dingodinium cerviculum
|
Canada(Arctic) |
Valanginian |
Hauterivian |
Dingodinium |
Dingodinium cerviculum
|
California |
Berriasian |
Valanginian |
Druggidium |
Druggidium apicopaucicum
|
Canada(Arctic) |
Berriasian |
|