Osmundacidites |
Osmundacidites sp
|
Alaska(North Slope) |
Aptian |
Albian |
Osmundacidites |
Osmundacidites sp
|
Alaska(North Slope) |
Early Cretaceous |
|
Osmundacidites |
Osmundacidites sp
|
Alaska(North Slope) |
Aptian |
Albian |
Osmundacidites |
Osmundacidites sp
|
Alaska(North Slope) |
Aptian |
Albian |
Palaeoperidinium |
Palaeoperidinium cretaceum
|
Alaska(North Slope) |
Hauterivian |
Albian |
Pareodinia |
Pareodinia alaskensis
|
Alaska(North Slope) |
Aptian |
Albian |
Pareodinia |
Pareodinia osmingtonensis
|
Alaska(North Slope) |
Oxfordian |
|
Pareodinia |
Pareodinia osmingtonensis
|
Alaska(North Slope) |
Hauterivian |
Barremian |
Pterospermopsis |
Pterospermopsis sp
|
Alaska(North Slope) |
Hauterivian |
Barremian |
Pterospermopsis |
Pterospermopsis sp
|
Alaska(North Slope) |
Hauterivian |
Barremian |
Pterospermopsis |
Pterospermopsis sp
|
Alaska(North Slope) |
Barremian |
Aptian |
Pterospermopsis |
Pterospermopsis sp
|
Alaska(North Slope) |
Hauterivian |
Barremian |
Rogalskaisporites |
Rogalskaisporites cicatricosus
|
Alaska(North Slope) |
Hauterivian |
|
Sentusidinium |
Sentusidinium rioultii
|
Alaska(North Slope) |
Aptian |
Albian |
Sirmiodinium |
Sirmiodinium grossii
|
Alaska(North Slope) |
Oxfordian |
|
Spiniferites |
Spiniferites sp
|
Alaska(North Slope) |
Aptian |
Albian |
Spore |
Spore sp
|
Alaska(North Slope) |
Hauterivian |
|