Deltoidospora |
Deltoidospora sp
|
Alaska |
Permian |
Triassic |
Densoisporites |
Densoisporites microrugulatus
|
Alaska |
Aptian |
Early Albian |
Densosporites |
Densosporites fissus
|
Alaska |
Late Triassic |
Campanian |
Densosporites |
Densosporites sp
|
Alaska |
Pennsylvanian |
Triassic |
Densosporites |
Densosporites sp
|
Alaska |
Aptian |
Albian |
Diatomozonotriletes |
Diatomozonotriletes cervicornutus
|
Alaska |
Visean |
Campanian |
Diconodinium |
Diconodinium arcticum
|
Alaska |
Santonian |
Campanian |
Dictyotriletes |
Dictyotriletes sp
|
Alaska |
Permian |
Triassic |
Dimidiadinium |
Dimidiadinium uncinatum
|
Alaska |
Neocomian |
|
Dingodinium |
Dingodinium cerviculum
|
Alaska |
Neocomian |
Campanian |
Dinopterygium |
Dinopterygium cladoides
|
Alaska |
Early Tertiary |
|
Distaltriangulisporites |
Distaltriangulisporites sp
|
Alaska |
Neocomian |
Campanian |
Dulhuntyispora |
Dulhuntyispora minuta
|
Alaska |
Permian |
Triassic |
Ellipsoidictyum |
Ellipsoidictyum cinctum
|
Alaska |
Early Jurassic |
Oxfordian |
Emphanisporites |
Emphanisporites sp
|
Alaska |
Norian |
|
Endoscrinium |
Endoscrinium campanula
|
Alaska |
Kimmeridgian |
Albian |
Endoscrinium |
Endoscrinium galeritum
|
Alaska |
Jurassic |
Albian |