Acanthotriletes |
Acanthotriletes varius
|
Alaska |
Late Triassic |
Early Jurassic |
Aculeispores |
Aculeispores sp
|
Alaska |
Permian |
Triassic |
Adnatosphaeridium |
Adnatosphaeridium caulleryi
|
Alaska |
Oxfordian |
|
Aequitriradites |
Aequitriradites spinulosus
|
Alaska |
Middle Albian |
Campanian |
Alnus |
Alnus
|
Alaska |
Middle Albian |
Tertiary |
Alterbia |
Alterbia acuminata
|
Alaska |
Cenomanian |
Campanian |
Anaplanisporites |
Anaplanisporites stipulatus
|
Alaska |
Permian |
Triassic |
Apiculatisporis |
Apiculatisporis lanjouwii
|
Alaska |
Permian |
Triassic |
Apiculatisporis |
Apiculatisporis sp
|
Alaska |
Pennsylvanian |
|
Appendicisporites |
Appendicisporites
|
Alaska |
Aptian |
Albian |
Aptea |
Aptea polymorpha
|
Alaska |
Aptian |
Albian |
Apteodinium |
Apteodinium grande
|
Alaska |
Middle Albian |
Cenomanian |
Apteodinium |
Apteodinium reticulatum
|
Alaska |
Middle Albian |
Late Albian |
Aquilapollenites |
Aquilapollenites attenuatus
|
Alaska |
Campanian |
|
Aquilapollenites |
Aquilapollenites colvillensis
|
Alaska |
Campanian |
Maastrichtian |
Aquilapollenites |
Aquilapollenites conatus
|
Alaska |
Late Cretaceous |
Tertiary |
Aquilapollenites |
Aquilapollenites fusiformis
|
Alaska |
Maastrichtian |
|