Nannoceratopsis |
Nannoceratopsis gracilis
|
Nd |
Toarcian |
Callovian |
Nannoceratopsis |
Nannoceratopsis pellucida
|
France |
Early Oxfordian |
|
Nannoceratopsis |
Nannoceratopsis pellucida
|
Nd |
Bajocian |
Kimmeridgian |
Nannoceratopsis |
Nannoceratopsis spiculata
|
Nd |
Bajocian |
Bathonian |
Netrelytron |
Netrelytron par
|
Nd |
Kimmeridgian |
|
Netrelytron |
Netrelytron stegastum
|
Nd |
Oxfordian |
Kimmeridgian |
Occisucysta |
Occisucysta balios
|
Nd |
Kimmeridgian |
|
Occisucysta |
Occisucysta evittii
|
Nd |
Kimmeridgian |
Portlandian |
Occisucysta |
Occisucysta monoheuriskos
|
Nd |
Kimmeridgian |
|
Odontochitina |
Odontochitina operculata
|
Nd |
Kimmeridgian |
Portlandian |
Oligosphaeridium |
Oligosphaeridium dictyophorum
|
Nd |
Kimmeridgian |
Portlandian |
Oligosphaeridium |
Oligosphaeridium pulcherrimum
|
Nd |
Kimmeridgian |
Portlandian |
Omatia |
Omatia montgomeryi
|
Nd |
Portlandian |
|
Omatia |
Omatia montgomeryi
|
Pakistan |
Late Portlandian |
|
Pareodinia |
Pareodinia apotomocerastes
|
Nd |
Bathonian |
|
Pareodinia |
Pareodinia ceratophora
|
England |
Early Oxfordian |
|
Pareodinia |
Pareodinia ceratophora
|
Nd |
Toarcian |
Portlandian |