Gonyaulacysta |
Gonyaulacysta aldorfensis
|
Canada(Maritime Prov.) |
Bathonian |
Callovian |
Gonyaulacysta |
Gonyaulacysta ambigua
|
Canada(Maritime Prov.) |
Late Oxfordian |
Early Kimmeridgian |
Gonyaulacysta |
Gonyaulacysta cladophora
|
Canada(Maritime Prov.) |
Callovian |
Kimmeridgian |
Gonyaulacysta |
Gonyaulacysta ehrenbergii
|
Canada(Maritime Prov.) |
Kimmeridgian |
|
Gonyaulacysta |
Gonyaulacysta filapicata
|
Canada(Maritime Prov.) |
Bajocian |
Bathonian |
Gonyaulacysta |
Gonyaulacysta granulata
|
Canada(Maritime Prov.) |
Oxfordian |
Kimmeridgian |
Gonyaulacysta |
Gonyaulacysta granuligera
|
Canada(Maritime Prov.) |
Oxfordian |
Kimmeridgian |
Gonyaulacysta |
Gonyaulacysta jurassica
|
Canada(Maritime Prov.) |
Callovian |
Oxfordian |
Gonyaulacysta |
Gonyaulacysta jurassica
|
Canada(Maritime Prov.) |
Oxfordian |
Early Kimmeridgian |
Herendeenia |
Herendeenia pisciformis
|
Canada(Maritime Prov.) |
Late Oxfordian |
Early Cretaceous |
Hexagonifera |
Hexagonifera jurassica
|
Canada(Maritime Prov.) |
Callovian |
Kimmeridgian |
Hystrichodinium |
Hystrichodinium pulchrum
|
Canada(Maritime Prov.) |
Late Kimmeridgian |
Early Cretaceous |
Hystrichogonyaulax |
Hystrichogonyaulax cornigera
|
Canada(Maritime Prov.) |
Callovian |
Oxfordian |
Hystrichogonyaulax |
Hystrichogonyaulax nealei
|
Canada(Maritime Prov.) |
Callovian |
Oxfordian |
Imbatodinium |
Imbatodinium antennatum
|
Canada(Maritime Prov.) |
Kimmeridgian |
|
Imbatodinium |
Imbatodinium kondratjevii
|
Canada(Maritime Prov.) |
Kimmeridgian |
Early Cretaceous |
Kalyptea |
Kalyptea diceras
|
Canada(Maritime Prov.) |
Callovian |
Portlandian |