Eodinia |
Eodinia pachytheca
|
Baltic |
Callovian |
|
Epiplosphaera |
Epiplosphaera areolata
|
W.Germany |
Kimmeridgian |
|
Epiplosphaera |
Epiplosphaera bireticulata
|
W.Germany |
Kimmeridgian |
|
Epiplosphaera |
Epiplosphaera reticulospinosa
|
W.Germany |
Kimmeridgian |
|
Gonyaulax |
Gonyaulax acanthosphaera
|
England |
Oxfordian |
|
Gonyaulax |
Gonyaulax aculeata
|
W.Germany |
Late Oxfordian |
Kimmeridgian |
Gonyaulax |
Gonyaulax amabilis
|
France |
Kimmeridgian |
|
Gonyaulax |
Gonyaulax ambigua
|
France |
Kimmeridgian |
Tithonian |
Gonyaulax |
Gonyaulax ambigua
|
England |
Middle Callovian |
Kimmeridgian |
Gonyaulax |
Gonyaulax ambigua
|
New Guinea(Papua) |
Late Jurassic |
|
Gonyaulax |
Gonyaulax ambigua
|
Australia(W.Australia) |
Kimmeridgian |
Tithonian |
Gonyaulax |
Gonyaulax areolata
|
England |
Early Oxfordian |
|
Gonyaulax |
Gonyaulax bulloidea
|
Australia(W.Australia) |
Tithonian |
|
Gonyaulax |
Gonyaulax caytonensis
|
England |
Callovian |
|
Gonyaulax |
Gonyaulax cladophora
|
France |
Kimmeridgian |
|
Gonyaulax |
Gonyaulax cladophora
|
France |
Bajocian |
|
Gonyaulax |
Gonyaulax cladophora
|
England |
Early Callovian |
Late Oxfordian |