Osmundacidites |
Osmundacidites sp
|
Alaska |
Eocene |
|
Osmundacidites |
Osmundacidites sp
|
Alaska |
Miocene |
|
Osmundacidites |
Osmundacidites sp
|
Alaska |
Senonian |
|
Osmundacidites |
Osmundacidites sp
|
Alaska |
Neogene |
|
Palaeoperidinium |
Palaeoperidinium basilium
|
Alaska |
Campanian |
|
Palaeoperidinium |
Palaeoperidinium cretaceum
|
Alaska |
Paleocene |
|
Paraalnipollenites |
Paraalnipollenites confusus
|
Alaska |
Hauterivian |
Tertiary |
Paralecaniella |
Paralecaniella indentata
|
Alaska |
Neogene |
|
Phelodinium |
Phelodinium tricuspe
|
Alaska |
Santonian |
Paleocene |
Protoellipsodinium |
Protoellipsodinium spinigerum
|
Alaska |
Early Cretaceous |
|
Pseudoceratium |
Pseudoceratium nudum
|
Alaska |
Neocomian |
|
Pterospermopsis |
Pterospermopsis sp
|
Alaska |
Campanian |
|
Pterospermopsis |
Pterospermopsis sp
|
Alaska |
Campanian |
|
Pterospermopsis |
Pterospermopsis sp
|
Alaska |
Campanian |
|
Pterospermopsis |
Pterospermopsis sp
|
Alaska |
Neogene |
|
Rogalskaisporites |
Rogalskaisporites cicatricosus
|
Alaska |
Early Jurassic |
Neocomian |
Sirmiodinium |
Sirmiodinium grossii
|
Alaska |
Early Cretaceous |
|