Surculosphaeridium |
Surculosphaeridium vestitum
|
Nd |
Middle Callovian |
Oxfordian |
Systematophora |
Systematophora
|
Germany(Bavaria) |
Early Kimmeridgian |
|
Systematophora |
Systematophora ancyrea
|
Nd |
Nd |
|
Systematophora |
Systematophora areolata
|
Nd |
Late Oxfordian |
Kimmeridgian |
Systematophora |
Systematophora complicata
|
Nd |
Nd |
|
Systematophora |
Systematophora conspicua
|
Nd |
Nd |
|
Systematophora |
Systematophora cretacea
|
Nd |
Nd |
|
Systematophora |
Systematophora curta
|
Nd |
Nd |
|
Systematophora |
Systematophora daveyi
|
Nd |
Nd |
|
Systematophora |
Systematophora fasciculigera
|
Nd |
Late Bathonian |
|
Systematophora |
Systematophora orbifera
|
Nd |
Oxfordian |
Kimmeridgian |
Systematophora |
Systematophora palmula
|
Nd |
Nd |
|
Systematophora |
Systematophora penicillata
|
Nd |
Late Oxfordian |
Kimmeridgian |
Systematophora |
Systematophora placacantha
|
Nd |
Nd |
|
Systematophora |
Systematophora silybum
|
Nd |
Nd |
|
Systematophora |
Systematophora sp
|
Nd |
Nd |
|
Systematophora |
Systematophora sp.A Habi.,1972
sp. nov. |
Nd |
Nd |
|