Cicatricosisporites |
Cicatricosisporites annulatus
|
Alaska |
Neocomian |
Cenomanian |
Cicatricosisporites |
Cicatricosisporites australiensis
|
Alaska |
Triassic |
Coniacian |
Cicatricosisporites |
Cicatricosisporites dorogensis
|
Alaska |
Santonian |
Early Tertiary |
Cicatricosisporites |
Cicatricosisporites hallei
|
Alaska |
Albian |
Campanian |
Cicatricosisporites |
Cicatricosisporites purbeckensis
|
Alaska |
Neocomian |
|
Cicatricosisporites |
Cicatricosisporites sp
|
Alaska |
Middle Albian |
Tertiary |
Cicatricosisporites |
Cicatricosisporites venustus
|
Alaska |
Albian |
|
Cingulatisporites |
Cingulatisporites reticingulus
|
Alaska |
Kimmeridgian |
Tithonian |
Cingutriletes |
Cingutriletes clavus
|
Alaska |
Middle Albian |
Late Albian |
Cirratriradites |
Cirratriradites sp
|
Alaska |
Pennsylvanian |
|
Cirratriradites |
Cirratriradites tener
|
Alaska |
Aptian |
Early Albian |
Cladopyxidium |
Cladopyxidium septatum
|
Alaska |
Middle Albian |
Early Tertiary |
Classopollis |
Classopollis classoides
|
Alaska |
Triassic |
Albian |
Cleistosphaeridium |
Cleistosphaeridium ancoriferum
|
Alaska |
Kimmeridgian |
Neocomian |
Cleistosphaeridium |
Cleistosphaeridium ehrenbergii
|
Alaska |
Neocomian |
|
Cleistosphaeridium |
Cleistosphaeridium nyei
|
Alaska |
Middle Albian |
Campanian |
Cleistosphaeridium |
Cleistosphaeridium polypes
|
Alaska |
Neocomian |
Albian |