Acanthaulax |
Acanthaulax senta
|
Alaska(North Slope) |
Oxfordian |
|
Acanthaulax |
Acanthaulax senta
|
Alaska(North Slope) |
Oxfordian |
|
Acanthaulax |
Acanthaulax senta
|
Alaska(North Slope) |
Oxfordian |
|
Apteodinium |
Apteodinium spongiosum
|
Alaska(North Slope) |
Valanginian |
|
Apteodinium |
Apteodinium spongiosum
|
Alaska(North Slope) |
Valanginian |
|
Apteodinium |
Apteodinium spongiosum
|
Alaska(North Slope) |
Valanginian |
|
Atopodinium |
Atopodinium prostatum
|
Alaska(North Slope) |
Oxfordian |
|
Callialasporites |
Callialasporites trilobatus
|
Alaska(North Slope) |
Hauterivian |
|
Camarozonosporites |
Camarozonosporites insignis
|
Alaska(North Slope) |
Aptian |
Albian |
Cannosphaeropsis |
Cannosphaeropsis sp
|
Alaska(North Slope) |
Valanginian |
|
Cannosphaeropsis |
Cannosphaeropsis sp
|
Alaska(North Slope) |
Valanginian |
|
Chatangiella |
Chatangiella granulifera
|
Alaska(North Slope) |
Senonian |
|
Chatangiella |
Chatangiella granulifera
|
Alaska(North Slope) |
Senonian |
|
Chatangiella |
Chatangiella sp
|
Alaska(North Slope) |
Senonian |
|
Chatangiella |
Chatangiella sp
|
Alaska(North Slope) |
Campanian |
|
Chatangiella |
Chatangiella sp
|
Alaska(North Slope) |
Late Cretaceous |
|
Chatangiella |
Chatangiella spectabilis
|
Alaska(North Slope) |
Senonian |
|