Gardodinium |
Gardodinium trabeculosum
|
Alaska |
Kimmeridgian |
Tithonian |
Gleicheniidites |
Gleicheniidites senonicus
|
Alaska |
Triassic |
Paleocene |
Gnetaceaepollenites |
Gnetaceaepollenites sp
|
Alaska |
Permian |
Triassic |
Gonyaulacysta |
Gonyaulacysta cladophora
|
Alaska |
Jurassic |
Early Albian |
Gonyaulacysta |
Gonyaulacysta cretacea
|
Alaska |
Middle Albian |
Late Albian |
Gonyaulacysta |
Gonyaulacysta cretacea
|
Alaska |
Kimmeridgian |
Neocomian |
Gonyaulacysta |
Gonyaulacysta granuligera
|
Alaska |
Neocomian |
|
Gonyaulacysta |
Gonyaulacysta helicoidea
|
Alaska |
Neocomian |
|
Gonyaulacysta |
Gonyaulacysta hyalodermopsis
|
Alaska |
Neocomian |
|
Gonyaulacysta |
Gonyaulacysta jurassica
|
Alaska |
Oxfordian |
Neocomian |
Gonyaulacysta |
Gonyaulacysta serrata
|
Alaska |
Neocomian |
|
Gonyaulacysta |
Gonyaulacysta tenuiceras
|
Alaska |
Neocomian |
Campanian |
Gonyaulacysta |
Gonyaulacysta tenuiceras
|
Alaska |
Turonian |
Coniacian |
Granulatisporites |
Granulatisporites sp
|
Alaska |
Permian |
Triassic |
Hebecysta |
Hebecysta asymmetrica
|
Alaska |
Carnian |
Norian |
Hebecysta |
Hebecysta brevicornuta
|
Alaska |
Carnian |
Norian |
Heliosporites |
Heliosporites altmarkensis
|
Alaska |
Triassic |
|