Alterbia |
Alterbia sp
|
Wyoming |
Cenomanian |
Early Campanian |
Alterbia |
Alterbia sp
|
Utah |
Cenomanian |
Early Campanian |
Appendicisporites |
Appendicisporites auritus
|
Wyoming |
Albian |
Turonian |
Appendicisporites |
Appendicisporites auritus
|
Utah |
Albian |
Turonian |
Appendicisporites |
Appendicisporites unicus
|
Wyoming |
Albian |
|
Appendicisporites |
Appendicisporites unicus
|
Utah |
Albian |
|
Aquilapollenites |
Aquilapollenites quadrilobus
|
Wyoming |
Maastrichtian |
|
Aquilapollenites |
Aquilapollenites quadrilobus
|
Utah |
Maastrichtian |
|
Asteropollis |
Asteropollis asteroides
|
Wyoming |
Early Albian |
|
Asteropollis |
Asteropollis asteroides
|
Utah |
Early Albian |
|
Chatangiella |
Chatangiella victoriensis
|
Wyoming |
Coniacian |
Early Campanian |
Chatangiella |
Chatangiella victoriensis
|
Utah |
Coniacian |
Early Campanian |
Cribroperidinium |
Cribroperidinium edwardsii
|
Wyoming |
Late Albian |
Turonian |
Cribroperidinium |
Cribroperidinium edwardsii
|
Utah |
Late Albian |
Turonian |
Dinogymnium |
Dinogymnium sp
|
Wyoming |
Coniacian |
Early Campanian |
Dinogymnium |
Dinogymnium sp
|
Utah |
Coniacian |
Early Campanian |
Januasporites |
Januasporites spiniferus
|
Wyoming |
Albian |
|