Abiespollenites |
Abiespollenites sp
|
Alaska |
Berriasian |
|
Abiespollenites |
Abiespollenites sp
|
Alaska |
Aptian |
Early Albian |
Acanthotriletes |
Acanthotriletes varispinosus
|
Alaska |
Jurassic |
Early Maastrichtian |
Achomosphaera |
Achomosphaera sp
|
Alaska |
Santonian |
Campanian |
Achomosphaera |
Achomosphaera sp
|
Alaska |
Barremian |
Albian |
Alisporites |
Alisporites bilateralis
|
Alaska |
Jurassic |
Early Maastrichtian |
Alisporites |
Alisporites grandis
|
Alaska |
Berriasian |
Albian |
Alisporites |
Alisporites thomasii
|
Alaska |
Jurassic |
Aptian |
Alnipollenites |
Alnipollenites verus
|
Alaska |
Berriasian |
Hauterivian |
Apteodinium |
Apteodinium sp
|
Alaska |
Berriasian |
Hauterivian |
Apteodinium |
Apteodinium sp
|
Alaska |
Barremian |
Aptian |
Aquilapollenites |
Aquilapollenites quadrilobus
|
Alaska |
Santonian |
Early Maastrichtian |
Araucariacites |
Araucariacites australis
|
Alaska |
Albian |
Early Maastrichtian |
Araucariacites |
Araucariacites australis
|
Alaska |
Early Cretaceous |
Early Maastrichtian |
Araucariacites |
Araucariacites punctatus
|
Alaska |
Early Maastrichtian |
|
Araucariacites |
Araucariacites punctatus
|
Alaska |
Albian |
|
Astrocysta |
Astrocysta cretacea
|
Alaska |
Barremian |
Albian |