Cicatricosisporites |
Cicatricosisporites hallei
|
Alaska |
Early Cretaceous |
Early Cenomanian |
Cicatricosisporites |
Cicatricosisporites hughesii
|
Alaska |
Aptian |
Danian |
Cicatricosisporites |
Cicatricosisporites imbricatus
|
Alaska |
Middle Albian |
Cenomanian |
Cicatricosisporites |
Cicatricosisporites orbiculatus
|
Alaska |
Aptian |
Albian |
Cicatricosisporites |
Cicatricosisporites potomacensis
|
Alaska |
Middle Albian |
Late Albian |
Cicatricosisporites |
Cicatricosisporites pseudotripartitus
|
Alaska |
Albian |
Cenomanian |
Cicatricosisporites |
Cicatricosisporites subrotundus
|
Alaska |
Middle Albian |
Late Albian |
Cicatricosisporites |
Cicatricosisporites venustus
|
Alaska |
Barremian |
Turonian |
Cingutriletes |
Cingutriletes clavus
|
Alaska |
Jurassic |
Tertiary |
Cingutriletes |
Cingutriletes sp.A
sp. nov. |
Alaska |
Middle Albian |
Early Cenomanian |
Cirratriradites |
Cirratriradites teter
|
Alaska |
Middle Albian |
Early Cenomanian |
Clavatipollenites |
Clavatipollenites minutus
|
Alaska |
Barremian |
Early Cenomanian |
Clavatipollenites |
Clavatipollenites tenellis
|
Alaska |
Albian |
Early Cenomanian |
Concavisporites |
Concavisporites jurienensis
|
Alaska |
Late Jurassic |
Early Cretaceous |
Concavissimisporites |
Concavissimisporites punctatus
|
Alaska |
Berriasian |
Late Albian |
Concavissimisporites |
Concavissimisporites variverrucatus
|
Alaska |
Bajocian |
Albian |
Contignisporites |
Contignisporites cooksoniae
|
Alaska |
Callovian |
Albian |