Rhaetogonyaulax |
Rhaetogonyaulax rhaetica
|
England(Gloucestershire) |
Rhaetian |
|
Gonyaulax |
Gonyaulax rhaetica
|
England(Gloucestershire) |
Rhaetian |
|
Rhaetogonyaulax |
Rhaetogonyaulax
|
England(Gloucestershire) |
Rhaetian |
|
Gonyaulax |
Gonyaulax cassidata
|
England(Surrey) |
Cenomanian |
|
Gonyaulax |
Gonyaulax helicoidea
|
England(Surrey) |
Cenomanian |
|
Xiphophoridium |
Xiphophoridium alatum
|
England(Surrey) |
Early Cenomanian |
|
Hystrichodinium |
Hystrichodinium alatum
|
England(Surrey) |
Early Cenomanian |
|
Gonyaulacysta |
Gonyaulacysta whitei
sp. nov. |
England(Surrey) |
Cenomanian |
|
Gonyaulacysta |
Gonyaulacysta fetchamensis
sp. nov. |
England(Surrey) |
Early Cenomanian |
|
Psaligonyaulax |
Psaligonyaulax
|
England(Surrey) |
Cenomanian |
|
Psaligonyaulax |
Psaligonyaulax deflandrei
sp. nov. |
England(Surrey) |
Cenomanian |
|
Heliodinium |
Heliodinium voigtii
|
England(Surrey) |
Early Cenomanian |
|
Microdinium |
Microdinium ornatum
|
England(Surrey) |
Late Cenomanian |
|
Microdinium |
Microdinium setosum
sp. nov. |
England(Surrey) |
Early Cenomanian |
|
Gonyaulax |
Gonyaulax orthoceras
|
England(Yorkshire) |
Late Barremian |
|
Gonyaulax |
Gonyaulax orthoceras
|
England(Yorkshire) |
Late Barremian |
|
Gonyaulacysta |
Gonyaulacysta gongylos
sp. nov. |
England(Yorkshire) |
Early Oxfordian |
|