Stephanelytron |
Stephanelytron scarburghense
|
England |
Oxfordian |
|
Stephanelytron |
Stephanelytron scarburghense
|
France |
Kimmeridgian |
|
Stephanelytron |
Stephanelytron scarburghense
|
France |
Oxfordian |
|
Surculosphaeridium |
Surculosphaeridium cribrotubiferum
|
England |
Oxfordian |
|
Surculosphaeridium |
Surculosphaeridium cribrotubiferum
|
France |
Bathonian |
|
Surculosphaeridium |
Surculosphaeridium cribrotubiferum
|
France |
Oxfordian |
|
Surculosphaeridium |
Surculosphaeridium vestitum
|
England |
Oxfordian |
|
Surculosphaeridium |
Surculosphaeridium vestitum
|
France |
Late Bathonian |
Early Callovian |
Surculosphaeridium |
Surculosphaeridium vestitum
|
France |
Callovian |
|
Surculosphaeridium |
Surculosphaeridium vestitum
|
France |
Oxfordian |
|
Systematophora |
Systematophora areolata
|
England |
Kimmeridgian |
|
Systematophora |
Systematophora areolata
|
France |
Kimmeridgian |
|
Systematophora |
Systematophora areolata
|
France |
Callovian |
|
Systematophora |
Systematophora areolata
|
Germany |
Oxfordian |
|
Systematophora |
Systematophora areolata
|
Germany |
Kimmeridgian |
|
Systematophora |
Systematophora fasciculigera
|
Germany |
Callovian |
|
Systematophora |
Systematophora fasciculigera
|
Germany |
Oxfordian |
|