Antrosphaera |
Antrosphaera calloviensis
|
England |
Callovian |
|
Areoligera |
Areoligera penicillata
|
Poland |
Late Oxfordian |
|
Baltisphaeridium |
Baltisphaeridium claviculorum
|
France |
Early Oxfordian |
|
Baltisphaeridium |
Baltisphaeridium dictyophorum
|
New Guinea(Papua) |
Late Jurassic |
|
Baltisphaeridium |
Baltisphaeridium downiei
|
England |
Kimmeridgian |
|
Baltisphaeridium |
Baltisphaeridium ehrenbergii
|
France |
Early Oxfordian |
|
Baltisphaeridium |
Baltisphaeridium ehrenbergii
|
France |
Late Bathonian |
|
Baltisphaeridium |
Baltisphaeridium ehrenbergii
|
England |
Early Oxfordian |
|
Baltisphaeridium |
Baltisphaeridium ehrenbergii
|
England |
Early Oxfordian |
|
Baltisphaeridium |
Baltisphaeridium granulosum
|
England |
Late Oxfordian |
Kimmeridgian |
Baltisphaeridium |
Baltisphaeridium granulosum
|
Nd |
Nd |
|
Baltisphaeridium |
Baltisphaeridium iaculigerum
|
W.Germany |
Kimmeridgian |
|
Baltisphaeridium |
Baltisphaeridium inusitatum
|
W.Germany |
Kimmeridgian |
|
Baltisphaeridium |
Baltisphaeridium lumectum
|
England |
Late Oxfordian |
Kimmeridgian |
Baltisphaeridium |
Baltisphaeridium mixtispinosum
|
W.Germany |
Kimmeridgian |
|
Baltisphaeridium |
Baltisphaeridium multifurcatum
|
Nd |
Nd |
|
Baltisphaeridium |
Baltisphaeridium multifurcatum
|
France |
Late Bathonian |
Callovian |