Surculosphaeridium |
Surculosphaeridium cribrotubiferum
|
Nd |
Late Callovian |
Late Oxfordian |
Surculosphaeridium |
Surculosphaeridium vestitum
|
Nd |
Middle Oxfordian |
|
Systematophora |
Systematophora areolata
|
Nd |
Late Oxfordian |
Kimmeridgian |
Systematophora |
Systematophora fasciculigera
|
Nd |
Late Oxfordian |
|
Systematophora |
Systematophora orbifera
|
Nd |
Middle Oxfordian |
Early Portlandian |
Systematophora |
Systematophora ovata
|
Nd |
Kimmeridgian |
|
Systematophora |
Systematophora valensii
|
Nd |
Late Callovian |
Late Oxfordian |
Taeniophora |
Taeniophora iunctispina
|
Nd |
Late Oxfordian |
Early Kimmeridgian |
Tectatodinium |
Tectatodinium gochtii
|
Nd |
Middle Bathonian |
Late Bathonian |
Tenua |
Tenua atlantica
|
Nd |
Late Callovian |
Late Oxfordian |
Tenua |
Tenua baculata
|
Nd |
Late Bathonian |
|
Tenua |
Tenua capitata
|
Nd |
Middle Oxfordian |
Cretaceous |
Tenua |
Tenua echinata
|
Nd |
Kimmeridgian |
|
Tenua |
Tenua hystrix
|
Nd |
Kimmeridgian |
Cretaceous |
Tenua |
Tenua pilosa
|
Nd |
Early Oxfordian |
Late Kimmeridgian |
Tenua |
Tenua rioultii
|
Nd |
Late Bathonian |
Early Oxfordian |
Tenua |
Tenua varispinosa
|
Nd |
Late Bathonian |
Early Callovian |