Sirmiodinium |
Sirmiodinium grossii
|
Alaska |
Valanginian |
Barremian |
Stereisporites |
Stereisporites sp
|
Alaska |
Hauterivian |
Barremian |
Sverdrupiella |
Sverdrupiella usitata
|
Alaska |
Berriasian |
Albian |
Taeniaesporites |
Taeniaesporites sp
|
Alaska |
Jurassic |
Cretaceous |
Tanyosphaeridium |
Tanyosphaeridium variecalamum
|
Alaska |
Neocomian |
|
Taxodiaceae |
Taxodiaceae sp
|
Alaska |
Hauterivian |
Barremian |
Taxodiaceae |
Taxodiaceae sp
|
Alaska |
Hauterivian |
Barremian |
Taxodiaceae |
Taxodiaceae sp
|
Alaska |
Hauterivian |
Barremian |
Trilobosporites |
Trilobosporites apiverrucatus
|
Alaska |
Hauterivian |
Barremian |
Trilobosporites |
Trilobosporites sp
|
Alaska |
Hauterivian |
Barremian |
Trilobosporites |
Trilobosporites sp
|
Alaska |
Valanginian |
|
Tubotuberella |
Tubotuberella apatela
|
Alaska |
Hauterivian |
Barremian |
Tubotuberella |
Tubotuberella uncinata
|
Alaska |
Hauterivian |
Barremian |
Vitreisporites |
Vitreisporites pallidus
|
Alaska |
Aptian |
Albian |