Chomotriletes |
Chomotriletes fragilis
|
Alaska |
Neocomian |
Early Cenomanian |
Aequitriradites |
Aequitriradites verrucosus
|
Alaska |
Neocomian |
Senonian |
Triporoletes |
Triporoletes radiatus
|
Alaska |
Neocomian |
Senonian |
Appendicisporites |
Appendicisporites problematicus
|
Alaska |
Berriasian |
Albian |
Concavissimisporites |
Concavissimisporites punctatus
|
Alaska |
Berriasian |
Late Albian |
Schizosporis |
Schizosporis reticulatus
|
Alaska |
Berriasian |
Cenomanian |
Foveotriletes |
Foveotriletes subtriangularis
|
Alaska |
Berriasian |
Early Cenomanian |
Appendicisporites |
Appendicisporites tricornitatus
|
Alaska |
Berriasian |
Early Senonian |
Foraminisporis |
Foraminisporis wonthaggiensis
|
Alaska |
Valanginian |
Turonian |
Podocarpidites |
Podocarpidites canadensis
|
Alaska |
Hauterivian |
Middle Albian |
Ornamentifera |
Ornamentifera echinata
|
Alaska |
Hauterivian |
Senonian |
Appendicisporites |
Appendicisporites jansonii
|
Alaska |
Barremian |
Albian |
Foraminisporis |
Foraminisporis asymmetricus
|
Alaska |
Barremian |
Albian |
Triporoletes |
Triporoletes triangularis
|
Alaska |
Barremian |
Albian |
Undulatisporites |
Undulatisporites undulapolus
|
Alaska |
Barremian |
Albian |
Anemia |
Anemia pschekhaensis
|
Alaska |
Barremian |
Late Albian |
Appendicisporites |
Appendicisporites potomacensis
|
Alaska |
Barremian |
Late Albian |