Aequitriradites |
Aequitriradites spinulosus
|
Alaska |
Hauterivian |
Barremian |
Boreocysta |
Boreocysta butticula
|
Alaska |
Hauterivian |
Barremian |
Bourkidinium |
Bourkidinium sp
|
Alaska |
Berriasian |
Valanginian |
Calamospora |
Calamospora sp
|
Alaska |
Aptian |
Albian |
Chytroeisphaeridia |
Chytroeisphaeridia pericompsa
|
Alaska |
Hauterivian |
Barremian |
Cicatricosisporites |
Cicatricosisporites australiensis
|
Alaska |
Hauterivian |
Barremian |
Cicatricosisporites |
Cicatricosisporites sp
|
Alaska |
Hauterivian |
Barremian |
Cicatricosisporites |
Cicatricosisporites sp
|
Alaska |
Hauterivian |
Barremian |
Cicatricosisporites |
Cicatricosisporites sp
|
Alaska |
Hauterivian |
Barremian |
Classopollis |
Classopollis classoides
|
Alaska |
Jurassic |
Cretaceous |
Classopollis |
Classopollis classoides
|
Alaska |
Jurassic |
Cretaceous |
Clathroctenocystis |
Clathroctenocystis elegans
|
Alaska |
Hauterivian |
Barremian |
Cleistosphaeridium |
Cleistosphaeridium sp
|
Alaska |
Hauterivian |
Barremian |
Cleistosphaeridium |
Cleistosphaeridium sp
|
Alaska |
Hauterivian |
Barremian |
Cleistosphaeridium |
Cleistosphaeridium sp
|
Alaska |
Hauterivian |
Barremian |
Contignisporites |
Contignisporites cooksoniae
|
Alaska |
Hauterivian |
Barremian |
Cyclonephelium |
Cyclonephelium distinctum
|
Alaska |
Early Cretaceous |
Campanian |