Stephanelytron |
Stephanelytron scarburghense
|
England |
Callovian |
|
Stylodinium |
Stylodinium
|
Nd |
Nd |
|
Subtilisphaera |
Subtilisphaera
|
Nd |
Nd |
|
Subtilisphaera |
Subtilisphaera terrula
|
Nd |
Early Cretaceous |
|
Suessia |
Suessia
|
Nd |
Nd |
|
Suessia |
Suessia swabiana
|
England |
Rhaetian |
|
Susadinium |
Susadinium
|
Nd |
Early Jurassic |
Middle Cretaceous |
Susadinium |
Susadinium scrofoides
|
England |
Toarcian |
|
Symbiodinium |
Symbiodinium
|
Nd |
Nd |
|
Systematophora |
Systematophora
|
Canada(Eastern Offshore) |
Bathonian |
Callovian |
Systematophora |
Systematophora
|
Nd |
Middle Jurassic |
Miocene |
Systematophora |
Systematophora placacantha
|
Nd |
Nd |
|
Systematophora |
Systematophora sp
|
England |
Kimmeridgian |
Portlandian |
Tectatodinium |
Tectatodinium
|
Nd |
Nd |
|
Tenua |
Tenua
|
Nd |
Late Jurassic |
Miocene |
Ternia |
Ternia
|
Nd |
Jurassic |
|
Tetrachacysta |
Tetrachacysta spinosigibberosa
|
Canada(NWT,Mackenzie) |
Oxfordian |
Volgian |