Gonyaulacysta |
Gonyaulacysta eumorpha
|
Australia(W.Australia) |
Oxfordian |
Early Kimmeridgian |
Gonyaulacysta |
Gonyaulacysta hyalodermopsis
|
Australia(W.Australia) |
Aptian |
|
Gonyaulacysta |
Gonyaulacysta margaritifera
|
Australia(W.Australia) |
Senonian |
|
Gonyaulacysta |
Gonyaulacysta muderongensis
|
Australia(W.Australia) |
Aptian |
|
Gonyaulacysta |
Gonyaulacysta scottii
|
Australia(W.Australia) |
Late Jurassic |
|
Leptodinium |
Leptodinium maculatum
|
Australia(W.Australia) |
Eocene |
|
Leptodinium |
Leptodinium tenuicornutum
|
Australia(W.Australia) |
Albian |
|
Meiourogonyaulax |
Meiourogonyaulax bulloidea
|
Australia(W.Australia) |
Tithonian |
|
Microdinium |
Microdinium
|
Australia(W.Australia) |
Albian |
Turonian |
Gonyaulacysta |
Gonyaulacysta obscura
|
Belgium |
Late Cretaceous |
|
Gonyaulacysta |
Gonyaulacysta wetzelii
|
Belgium |
Late Cretaceous |
|
Gonyaulacysta |
Gonyaulacysta porosa
|
Belgium |
Late Cretaceous |
|
Gonyaulax |
Gonyaulax wetzelii
|
Belgium |
Late Cretaceous |
|
Acanthogonyaulax |
Acanthogonyaulax acanthosphaera
|
England |
Oxfordian |
|
Acanthogonyaulax |
Acanthogonyaulax paliuros
|
England |
Oxfordian |
|
Acanthogonyaulax |
Acanthogonyaulax venusta
|
England |
Oxfordian |
Kimmeridgian |
Gonyaulax |
Gonyaulax venusta
|
England |
Oxfordian |
Kimmeridgian |