Spinotriletes |
Spinotriletes sp
|
Alaska |
Permian |
Triassic |
Vestispora |
Vestispora sp
|
Alaska |
Permian |
Triassic |
Trithyrodinium |
Trithyrodinium suspectum
|
Alaska |
Santonian |
Campanian |
Appendicisporites |
Appendicisporites
|
Alaska |
Aptian |
Albian |
Odontochitina |
Odontochitina costata
|
Alaska |
Cenomanian |
Campanian |
Operculodinium |
Operculodinium sp
|
Alaska |
Santonian |
Campanian |
Palambages |
Palambages sp
|
Alaska |
Middle Albian |
Campanian |
Spinidinium |
Spinidinium echinoideum
|
Alaska |
Santonian |
Campanian |
Spiniferites |
Spiniferites cingulatus
|
Alaska |
Santonian |
Campanian |
Alterbia |
Alterbia acuminata
|
Alaska |
Cenomanian |
Campanian |
Canningia |
Canningia minor
|
Alaska |
Middle Albian |
Coniacian |
Gonyaulacysta |
Gonyaulacysta tenuiceras
|
Alaska |
Neocomian |
Campanian |
Isabelidinium |
Isabelidinium belfastense
|
Alaska |
Cenomanian |
Campanian |
Fromea |
Fromea amphora
|
Alaska |
Middle Albian |
Cenomanian |
Isabelidinium |
Isabelidinium cooksoniae
|
Alaska |
Cenomanian |
|
Surculosphaeridium |
Surculosphaeridium longifurcatum
|
Alaska |
Cenomanian |
|
Xiphophoridium |
Xiphophoridium alatum
|
Alaska |
Cenomanian |
|