Reticulatisporites |
Reticulatisporites polygonalis
|
Alaska |
Mississippian |
Pennsylvanian |
Sverdrupiella |
Sverdrupiella usitata
|
Alaska |
Neocomian |
Albian |
Lycopodiumsporites |
Lycopodiumsporites sp
|
Alaska |
Norian |
Campanian |
Aptea |
Aptea polymorpha
|
Alaska |
Aptian |
Albian |
Palaeoperidinium |
Palaeoperidinium cretaceum
|
Alaska |
Neocomian |
Campanian |
Gardodinium |
Gardodinium trabeculosum
|
Alaska |
Neocomian |
Albian |
Polycingulatisporites |
Polycingulatisporites sp
|
Alaska |
Triassic |
|
Tenua |
Tenua anaphrissa
|
Alaska |
Neocomian |
|
Batioladinium |
Batioladinium jaegeri
|
Alaska |
Neocomian |
Albian |
Muderongia |
Muderongia asymmetrica
|
Alaska |
Aptian |
Albian |
Nannoceratopsis |
Nannoceratopsis gracilis
|
Alaska |
Aptian |
Albian |
Wallodinium |
Wallodinium anglicum
|
Alaska |
Aptian |
Albian |
Muderongia |
Muderongia tetracantha
|
Alaska |
Neocomian |
Albian |
Trilobosporites |
Trilobosporites purverulentus
|
Alaska |
Aptian |
Cenomanian |
Chatangiella |
Chatangiella granulifera
|
Alaska |
Aptian |
Albian |
Nannoceratopsis |
Nannoceratopsis pellucida
|
Alaska |
Oxfordian |
Albian |
Dimidiadinium |
Dimidiadinium uncinatum
|
Alaska |
Neocomian |
|