Betulaceae |
Betulaceae sp
|
Alaska |
Neocomian |
|
Chatangiella |
Chatangiella sp
|
Alaska |
Hauterivian |
Barremian |
Gonyaulacysta |
Gonyaulacysta sp
|
Alaska |
Hauterivian |
Barremian |
Baltisphaeridium |
Baltisphaeridium sp
|
Alaska |
Hauterivian |
Barremian |
Aquilapollenites |
Aquilapollenites trialatus
|
Alaska |
Hauterivian |
Eocene |
Betulaceae |
Betulaceae sp
|
Alaska |
Hauterivian |
Barremian |
Taxodiaceae |
Taxodiaceae sp
|
Alaska |
Hauterivian |
Barremian |
Lycopodiumsporites |
Lycopodiumsporites sp
|
Alaska |
Hauterivian |
Barremian |
Taeniaesporites |
Taeniaesporites sp
|
Alaska |
Early Jurassic |
Middle Jurassic |
Densosporites |
Densosporites sp
|
Alaska |
Neocomian |
|
Tasmanaceae |
Tasmanaceae sp
|
Alaska |
Hauterivian |
Barremian |
Betulaceae |
Betulaceae sp
|
Alaska |
Hauterivian |
Barremian |
Aequitriradites |
Aequitriradites spinulosus
|
Alaska |
Hauterivian |
Barremian |
Juglans |
Juglans sp
|
Alaska |
Neogene |
|
Imbatodinium |
Imbatodinium micropodum
|
Alaska |
Hauterivian |
Barremian |
Cleistosphaeridium |
Cleistosphaeridium sp
|
Alaska |
Hauterivian |
Barremian |
Taeniaesporites |
Taeniaesporites sp
|
Alaska |
Early Jurassic |
Middle Jurassic |