Achomosphaera |
Achomosphaera alcicornu
|
Nd |
Nd |
|
Achomosphaera |
Achomosphaera ramulifera
|
Nd |
Nd |
|
Areoligera |
Areoligera dermatica
|
Nd |
Nd |
|
Areoligera |
Areoligera galea
|
Nd |
Nd |
|
Areoligera |
Areoligera lychnea
|
Nd |
Nd |
|
Areoligera |
Areoligera twistringiensis
|
Nd |
Nd |
|
Baltisphaeridium |
Baltisphaeridium densicomatum
|
Nd |
Nd |
|
Baltisphaeridium |
Baltisphaeridium galea
|
Nd |
Nd |
|
Baltisphaeridium |
Baltisphaeridium leve
|
Nd |
Nd |
|
Baltisphaeridium |
Baltisphaeridium mespilanum
|
Nd |
Nd |
|
Baltisphaeridium |
Baltisphaeridium rehdense
|
Nd |
Nd |
|
Baltisphaeridium |
Baltisphaeridium saturnium
|
Nd |
Nd |
|
Chiropteridium |
Chiropteridium dispersum
|
Nd |
Nd |
|
Chiropteridium |
Chiropteridium galea
|
W.Germany |
Middle Oligocene |
|
Chiropteridium |
Chiropteridium korykos
|
Nd |
Nd |
|
Chiropteridium |
Chiropteridium mespilanum
|
Nd |
Nd |
|
Cleistosphaeridium |
Cleistosphaeridium echinoides
|
Nd |
Nd |
|