Solisphaeridium |
Solisphaeridium claviculorum
|
France |
Early Oxfordian |
|
Solisphaeridium |
Solisphaeridium stimuliferum
|
Nd |
Bajocian |
Portlandian |
Staplinium |
Staplinium cistum
|
Nd |
Kimmeridgian |
|
Stephanelytron |
Stephanelytron caytonense
|
Nd |
Oxfordian |
|
Stephanelytron |
Stephanelytron redcliffense
|
England |
Early Oxfordian |
|
Stephanelytron |
Stephanelytron redcliffense
|
Nd |
Callovian |
Kimmeridgian |
Stephanelytron |
Stephanelytron scarburghense
|
Nd |
Oxfordian |
Kimmeridgian |
Surculosphaeridium |
Surculosphaeridium cribrotubiferum
|
Nd |
Bathonian |
Oxfordian |
Surculosphaeridium |
Surculosphaeridium vestitum
|
England |
Late Oxfordian |
|
Surculosphaeridium |
Surculosphaeridium vestitum
|
Nd |
Callovian |
Oxfordian |
Systematophora |
Systematophora areolata
|
Nd |
Oxfordian |
Kimmeridgian |
Systematophora |
Systematophora fasciculigera
|
Nd |
Callovian |
Oxfordian |
Systematophora |
Systematophora orbifera
|
Nd |
Callovian |
Kimmeridgian |
Systematophora |
Systematophora ovata
|
Nd |
Kimmeridgian |
|
Systematophora |
Systematophora valensii
|
Nd |
Oxfordian |
|
Taeniophora |
Taeniophora iunctispina
|
Nd |
Oxfordian |
Kimmeridgian |
Tenua |
Tenua atlantica
|
Nd |
Callovian |
Oxfordian |