Tuberculodinium |
Tuberculodinium rossignoliae
|
Atlantic Coast Offshore |
Late Miocene |
|
Xenascus |
Xenascus ceratioides
|
Atlantic Coast Offshore |
Santonian |
|
Areoligera |
Areoligera senonensis
|
Atlantic Coast Offshore |
Early Eocene |
|
Cordosphaeridium |
Cordosphaeridium gracile
|
Atlantic Coast Offshore |
Early Eocene |
|
Achomosphaera |
Achomosphaera alcicornu
|
Atlantic Coast Offshore |
Early Eocene |
|
Wetzeliella |
Wetzeliella coleothrypta
|
Atlantic Coast Offshore |
Early Eocene |
|
Belodinium |
Belodinium dysculum
|
Australia(W.Australia) |
Portlandian |
|
Cleistosphaeridium |
Cleistosphaeridium polypes
|
Canada(Nova Scotia) |
Albian |
|
Achomosphaera |
Achomosphaera ramulifera
|
England |
Early Eocene |
|
Adnatosphaeridium |
Adnatosphaeridium caulleryi
|
England |
Callovian |
|
Ctenidodinium |
Ctenidodinium ornatum
|
England |
Oxfordian |
|
Gonyaulacysta |
Gonyaulacysta jurassica
|
England |
Oxfordian |
|
Membranilarnacia |
Membranilarnacia ursulae
|
England |
Early Eocene |
|
Hystrichosphaeridium |
Hystrichosphaeridium polonicum
|
England |
Oxfordian |
|
Homotryblium |
Homotryblium tenuispinosum
|
England |
Early Eocene |
|
Lanterna |
Lanterna sportula
|
England |
Kimmeridgian |
|
Nannoceratopsis |
Nannoceratopsis pellucida
|
England |
Early Eocene |
|