Neoraistrickia |
Neoraistrickia truncata
|
Alaska |
Aptian |
Cenomanian |
Noricysta |
Noricysta fimbriata
|
Alaska |
Carnian |
Norian |
Noricysta |
Noricysta pannucea
|
Alaska |
Carnian |
Norian |
Noricysta |
Noricysta sp
|
Alaska |
Norian |
|
Noricysta |
Noricysta varivallata
|
Alaska |
Carnian |
Norian |
Odontochitina |
Odontochitina costata
|
Alaska |
Cenomanian |
Campanian |
Odontochitina |
Odontochitina operculata
|
Alaska |
Kimmeridgian |
Campanian |
Odontochitina |
Odontochitina operculata
|
Alaska |
Neocomian |
Campanian |
Oligosphaeridium |
Oligosphaeridium anthophorum
|
Alaska |
Neocomian |
Albian |
Oligosphaeridium |
Oligosphaeridium complex
|
Alaska |
Late Kimmeridgian |
Paleocene |
Oligosphaeridium |
Oligosphaeridium pulcherrimum
|
Alaska |
Cenomanian |
|
Oligosphaeridium |
Oligosphaeridium sp
|
Alaska |
Santonian |
Campanian |
Oligosphaeridium |
Oligosphaeridium spinigerum
|
Alaska |
Neocomian |
|
Operculodinium |
Operculodinium sp
|
Alaska |
Santonian |
Campanian |
Ornamentifera |
Ornamentifera echinata
|
Alaska |
Cenomanian |
|
Osmunda |
Osmunda sp
|
Alaska |
Campanian |
Maastrichtian |
Osmundacidites |
Osmundacidites sp
|
Alaska |
Aptian |
Campanian |