Dichadogonyaulax |
Dichadogonyaulax schizoblata
|
England(Dorset) |
Early Portlandian |
|
Cleistosphaeridium |
Cleistosphaeridium lumectum
|
England(Dorset) |
Middle Callovian |
Late Oxfordian |
Baltisphaeridium |
Baltisphaeridium lumectum
|
England(Dorset) |
Middle Callovian |
Late Oxfordian |
Leptodinium |
Leptodinium panneum
|
England(Dorset) |
Portlandian |
|
Leptodinium |
Leptodinium schizoblatum
|
England(Dorset) |
Early Portlandian |
|
Rhaetogonyaulax |
Rhaetogonyaulax chaloneri
|
England(Gloucestershire) |
Rhaetian |
|
Gonyaulax |
Gonyaulax chaloneri
|
England(Gloucestershire) |
Rhaetian |
|
Leptodinium |
Leptodinium striatum
|
England(Isle of Wight) |
Santonian |
|
Gonyaulacysta |
Gonyaulacysta striata
|
England(Isle of Wight) |
Santonian |
|
Gonyaulacysta |
Gonyaulacysta cretacea
|
England(Yorkshire) |
Hauterivian |
|
Hystrichogonyaulax |
Hystrichogonyaulax nealei
|
England(Yorkshire) |
Oxfordian |
|
Cleistosphaeridium |
Cleistosphaeridium tribuliferum
|
England(Yorkshire) |
Oxfordian |
|
Gonyaulacysta |
Gonyaulacysta transparens
|
England(Yorkshire) |
Early Callovian |
|
Meiourogonyaulax |
Meiourogonyaulax caytonensis
|
England(Yorkshire) |
Early Callovian |
|
Meiourogonyaulax |
Meiourogonyaulax cristulata
|
England(Yorkshire) |
Early Callovian |
|
Gonyaulax |
Gonyaulax caytonensis
|
England(Yorkshire) |
Early Callovian |
|
Gonyaulax |
Gonyaulax cretacea
|
England(Yorkshire) |
Hauterivian |
|