Micrhystridium |
Micrhystridium densispinum
|
France |
Bajocian |
|
Micrhystridium |
Micrhystridium densispinum
|
France |
Late Bathonian |
Early Callovian |
Micrhystridium |
Micrhystridium echinoides
|
France |
Bajocian |
|
Micrhystridium |
Micrhystridium echinoides
|
France |
Bathonian |
|
Micrhystridium |
Micrhystridium echinoides
|
France |
Late Bathonian |
Early Callovian |
Micrhystridium |
Micrhystridium exilium
|
England |
Pliensbachian |
|
Micrhystridium |
Micrhystridium exilium
|
England |
Toarcian |
|
Micrhystridium |
Micrhystridium filigerum
|
England |
Pliensbachian |
|
Micrhystridium |
Micrhystridium filigerum
|
France |
Bajocian |
|
Micrhystridium |
Micrhystridium filigerum
|
France |
Bathonian |
|
Micrhystridium |
Micrhystridium fragile
|
England |
Kimmeridgian |
|
Micrhystridium |
Micrhystridium fragile
|
England |
Callovian |
|
Micrhystridium |
Micrhystridium fragile
|
England |
Oxfordian |
|
Micrhystridium |
Micrhystridium fragile
|
France |
Bajocian |
|
Micrhystridium |
Micrhystridium fragile
|
France |
Bathonian |
|
Micrhystridium |
Micrhystridium fragile
|
France |
Kimmeridgian |
|
Micrhystridium |
Micrhystridium fragile
|
France |
Late Bathonian |
Early Callovian |