Gonyaulacysta |
Gonyaulacysta serrata
|
New Guinea(Papua) |
Late Jurassic |
Neocomian |
Hystrichosphaeridium |
Hystrichosphaeridium dictyophorum
|
New Guinea(Papua) |
Late Jurassic |
|
Gonyaulax |
Gonyaulax perforans
|
New Guinea(Papua) |
Late Jurassic |
|
Gonyaulax |
Gonyaulax serrata
|
New Guinea(Papua) |
Late Jurassic |
Neocomian |
Achomosphaera |
Achomosphaera alcicornu
|
Poland |
Oligocene |
|
Hystrichosphaeridium |
Hystrichosphaeridium alcicornu
|
Poland |
Oligocene |
|
Leptodinium |
Leptodinium millioudii
|
Switzerland |
Late Jurassic |
|
Gonyaulax |
Gonyaulax millioudii
|
Switzerland |
Late Jurassic |
|
Gonyaulacysta |
Gonyaulacysta kostromiensis
|
USSR(Kostroma) |
Valanginian |
|
Gonyaulax |
Gonyaulax kostromiensis
|
USSR(Kostroma) |
Valanginian |
|
Gonyaulacysta |
Gonyaulacysta confusa
|
USSR(Moscow) |
Late Jurassic |
|
Gonyaulacysta |
Gonyaulacysta sarjeantii
|
USSR(Moscow) |
Late Jurassic |
|
Gonyaulax |
Gonyaulax confusa
|
USSR(Moscow) |
Late Jurassic |
|
Gonyaulax |
Gonyaulax sarjeantii
|
USSR(Moscow) |
Late Jurassic |
|
Hystrichokolpoma |
Hystrichokolpoma xipheum
|
W.Germany |
Middle Miocene |
|
Hystrichosphaera |
Hystrichosphaera leptoderma
|
W.Germany |
Middle Oligocene |
Middle Miocene |
Areoligera |
Areoligera galea
|
W.Germany |
Middle Oligocene |
|