Cyclonephelium |
Cyclonephelium distinctum
|
Alaska(North Slope) |
Neocomian |
|
Cyclonephelium |
Cyclonephelium distinctum
|
Alaska(North Slope) |
Neocomian |
|
Cyclonephelium |
Cyclonephelium distinctum
|
Alaska(North Slope) |
Aptian |
Albian |
Cyclonephelium |
Cyclonephelium distinctum
|
Alaska(North Slope) |
Cretaceous |
|
Cyclonephelium |
Cyclonephelium distinctum
|
Alaska(North Slope) |
Barremian |
Aptian |
Cyclonephelium |
Cyclonephelium distinctum
|
Alaska(North Slope) |
Barremian |
Aptian |
Dapsilidinium |
Dapsilidinium sp
|
Alaska(North Slope) |
Early Cretaceous |
|
Deltoidospora |
Deltoidospora juncta
|
Alaska(North Slope) |
Late Jurassic |
Early Cretaceous |
Deltoidospora |
Deltoidospora sp
|
Alaska(North Slope) |
Valanginian |
|
Deltoidospora |
Deltoidospora sp
|
Alaska(North Slope) |
Valanginian |
|
Deltoidospora |
Deltoidospora sp
|
Alaska(North Slope) |
Early Jurassic |
Middle Jurassic |
Deltoidospora |
Deltoidospora sp
|
Alaska(North Slope) |
Oxfordian |
|
Deltoidospora |
Deltoidospora sp
|
Alaska(North Slope) |
Oxfordian |
|
Deltoidospora |
Deltoidospora sp
|
Alaska(North Slope) |
Aptian |
Albian |
Deltoidospora |
Deltoidospora sp
|
Alaska(North Slope) |
Oxfordian |
|
Deltoidospora |
Deltoidospora sp
|
Alaska(North Slope) |
Oxfordian |
|
Deltoidospora |
Deltoidospora sp
|
Alaska(North Slope) |
Oxfordian |
|