Micrhystridium |
Micrhystridium rarispinum
|
France |
Oxfordian |
|
Micrhystridium |
Micrhystridium recurvatum
|
England |
Kimmeridgian |
|
Micrhystridium |
Micrhystridium recurvatum
|
England |
Callovian |
|
Micrhystridium |
Micrhystridium recurvatum
|
England |
Oxfordian |
|
Micrhystridium |
Micrhystridium recurvatum
|
France |
Bajocian |
|
Micrhystridium |
Micrhystridium recurvatum
|
France |
Bathonian |
|
Micrhystridium |
Micrhystridium recurvatum
|
France |
Kimmeridgian |
|
Micrhystridium |
Micrhystridium recurvatum
|
France |
Late Bathonian |
Early Callovian |
Micrhystridium |
Micrhystridium recurvatum
|
France |
Callovian |
|
Micrhystridium |
Micrhystridium recurvatum
|
France |
Oxfordian |
|
Micrhystridium |
Micrhystridium rhopalicum
|
England |
Oxfordian |
|
Micrhystridium |
Micrhystridium rhopalicum
|
France |
Callovian |
|
Micrhystridium |
Micrhystridium rhopalicum
|
France |
Oxfordian |
|
Micrhystridium |
Micrhystridium roquestii
|
France |
Bathonian |
|
Micrhystridium |
Micrhystridium roquestii
|
Germany |
Aalenian |
|
Micrhystridium |
Micrhystridium roquestii
|
Germany |
Bajocian |
|
Micrhystridium |
Micrhystridium roquestii
|
Germany |
Bathonian |
|