Cycadopites |
Cycadopites sp.B
sp. nov. |
Alaska |
Aptian |
Early Cenomanian |
Deltoidospora |
Deltoidospora diaphana
|
Alaska |
Late Jurassic |
Tertiary |
Deltoidospora |
Deltoidospora hallii
|
Alaska |
Jurassic |
Cretaceous |
Deltoidospora |
Deltoidospora juncta
|
Alaska |
Late Jurassic |
Early Cenomanian |
Deltoidospora |
Deltoidospora psilostoma
|
Alaska |
Bathonian |
Late Cretaceous |
Densoisporites |
Densoisporites microrugulatus
|
Alaska |
Jurassic |
Early Cretaceous |
Densoisporites |
Densoisporites velatus
|
Alaska |
Liassic |
Danian |
Dictyophyllidites |
Dictyophyllidites sp.A
sp. nov. |
Alaska |
Aptian |
Early Cenomanian |
Dictyotosporites |
Dictyotosporites speciosus
|
Alaska |
Neocomian |
Albian |
Dictyotriletes |
Dictyotriletes pseudoreticulatus
|
Alaska |
Late Jurassic |
Albian |
Distaltriangulisporites |
Distaltriangulisporites costatus
|
Alaska |
Middle Albian |
Late Albian |
Distaltriangulisporites |
Distaltriangulisporites irregularis
|
Alaska |
Middle Albian |
Late Albian |
Distaltriangulisporites |
Distaltriangulisporites maximus
|
Alaska |
Middle Albian |
Late Albian |
Distaltriangulisporites |
Distaltriangulisporites perplexus
|
Alaska |
Middle Albian |
Early Cenomanian |
Duplexisporites |
Duplexisporites problematicus
|
Alaska |
Triassic |
Middle Albian |
Duplexisporites |
Duplexisporites triangularis
|
Alaska |
Barremian |
Late Albian |
Dyadosporites |
Dyadosporites ellipsus
|
Alaska |
Early Albian |
|