Baltisphaeridium |
Baltisphaeridium longispinosum
|
England |
Silurian |
|
Cannosphaeropsis |
Cannosphaeropsis caulleryi
|
England |
Late Jurassic |
|
Cribroperidinium |
Cribroperidinium sepimentum
|
England |
Early Cretaceous |
|
Domasia |
Domasia elongata
|
England |
Silurian |
|
Gonyaulacysta |
Gonyaulacysta millioudii
|
Switzerland |
Late Jurassic |
|
Gonyaulacysta |
Gonyaulacysta sp
|
Australia |
Tertiary |
|
Gonyaulax |
Gonyaulax rhaetica
|
England |
Late Triassic |
|
Hystrichosphaera |
Hystrichosphaera crassipellis
|
England |
Late Cretaceous |
|
Hystrichosphaera |
Hystrichosphaera furcata
|
England |
Late Cretaceous |
|
Hystrichosphaeridium |
Hystrichosphaeridium cribrotubiferum
|
England |
Late Jurassic |
|
Hystrichosphaeridium |
Hystrichosphaeridium vasiformum
|
England |
Early Cretaceous |
|
Leiosphaeridia |
Leiosphaeridia similis
|
England |
Early Cretaceous |
|
Scriniodinium |
Scriniodinium campanula
|
England |
Late Cretaceous |
|
Scriniodinium |
Scriniodinium dictyotum
|
England |
Late Jurassic |
|
Wetzeliella |
Wetzeliella symmetrica
|
England |
Recent |
|