Gonyaulax |
Gonyaulax transparens
|
England |
Early Callovian |
|
Gonyaulax |
Gonyaulax venusta
|
W.Germany |
Late Oxfordian |
Kimmeridgian |
Histiophora |
Histiophora ornata
|
W.Germany |
Kimmeridgian |
|
Hystrichodinium |
Hystrichodinium amphiacanthum
|
New Guinea(Papua) |
Late Jurassic |
|
Hystrichodinium |
Hystrichodinium amphiacanthum
|
Nd |
Nd |
|
Hystrichosphaera |
Hystrichosphaera furcata
|
France |
Early Oxfordian |
|
Hystrichosphaera |
Hystrichosphaera furcata
|
England |
Oxfordian |
|
Hystrichosphaera |
Hystrichosphaera furcata
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium anthophorum
|
Australia(W.Australia) |
Oxfordian |
Early Kimmeridgian |
Hystrichosphaeridium |
Hystrichosphaeridium anthophorum
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium anthophorum
|
New Guinea(Papua) |
Late Jurassic |
|
Hystrichosphaeridium |
Hystrichosphaeridium capitatum
|
Australia(W.Australia) |
Oxfordian |
Early Kimmeridgian |
Hystrichosphaeridium |
Hystrichosphaeridium cribrotubiferum
|
England |
Early Oxfordian |
|
Hystrichosphaeridium |
Hystrichosphaeridium deflandrei
|
France |
Bathonian |
|
Hystrichosphaeridium |
Hystrichosphaeridium pachydermum
|
Australia(W.Australia) |
Oxfordian |
Tithonian |
Hystrichosphaeridium |
Hystrichosphaeridium paulinae
|
France |
Bathonian |
|
Hystrichosphaeridium |
Hystrichosphaeridium salpingophorum
|
France |
Bathonian |
Early Oxfordian |