Areoligera |
Areoligera twistringiensis
|
W.Germany |
Oligocene |
|
Cleistosphaeridium |
Cleistosphaeridium echinoides
|
W.Germany |
Middle Oligocene |
Middle Miocene |
Polysphaeridium |
Polysphaeridium asperum
|
W.Germany |
Miocene |
|
Areoligera |
Areoligera lychnea
|
W.Germany |
Middle Miocene |
|
Gonyaulacysta |
Gonyaulacysta crispa
|
W.Germany |
Middle Dogger |
|
Meiourogonyaulax |
Meiourogonyaulax decapitata
|
W.Germany |
Bajocian |
|
Meiourogonyaulax |
Meiourogonyaulax superornata
|
W.Germany |
Middle Dogger |
|
Cleistosphaeridium |
Cleistosphaeridium leve
|
W.Germany |
Late Oligocene |
Middle Miocene |
Achomosphaera |
Achomosphaera alcicornu
|
W.Germany |
Oligocene |
|
Galea |
Galea levis
|
W.Germany |
Late Oligocene |
Middle Miocene |
Hystrichosphaeridium |
Hystrichosphaeridium alcicornu
|
W.Germany |
Oligocene |
|
Hystrichosphaeridium |
Hystrichosphaeridium asperum
|
W.Germany |
Miocene |
|
Gonyaulax |
Gonyaulax crispa
|
W.Germany |
Middle Dogger |
|
Gonyaulax |
Gonyaulax decapitata
|
W.Germany |
Bajocian |
|
Hystrichosphaeridium |
Hystrichosphaeridium echinoides
|
W.Germany |
Middle Oligocene |
Middle Miocene |
Galea |
Galea galea
|
W.Germany |
Middle Oligocene |
|
Hystrichosphaeridium |
Hystrichosphaeridium leptodermum
|
W.Germany |
Middle Oligocene |
Middle Miocene |