Gunflintia |
Gunflintia minuta
|
Canada(Ontario) |
Early Proterozoic |
|
Gunflintia |
Gunflintia sp
|
Canada(Ontario) |
Early Proterozoic |
|
Huroniospora |
Huroniospora sp
|
Canada(Ontario) |
Early Proterozoic |
|
Huroniospora |
Huroniospora sp
|
South Africa |
Early Proterozoic |
|
Hymenozonotriletes |
Hymenozonotriletes explanatus
|
W.Germany(Bavaria) |
Late Devonian |
|
Leiosphaeridia |
Leiosphaeridia bituminosa
|
Canada(Ontario) |
Early Proterozoic |
|
Leiosphaeridium |
Leiosphaeridium sp
|
Montana |
Middle Proterozoic |
|
Leiosphaeridium |
Leiosphaeridium sp
|
Austria |
Late Proterozoic |
|
Micrhystridium |
Micrhystridium vigintispinum
|
W.Germany(Rhineland) |
Early Devonian |
|
Nucellosphaeridium |
Nucellosphaeridium sp
|
Montana |
Middle Proterozoic |
|
Nucellosphaeridium |
Nucellosphaeridium sp
|
Idaho |
Middle Proterozoic |
|
Octaedryxium |
Octaedryxium truncatum
|
W.Germany(Bavaria) |
Early Vendian |
|
Octaedryxium |
Octaedryxium truncatum
|
Austria |
Late Riphean |
Early Vendian |
Protosphaeridium |
Protosphaeridium sp
|
France |
Late Proterozoic |
|
Protosphaeridium |
Protosphaeridium sp
|
South Africa |
Early Proterozoic |
|
Retispora |
Retispora lepidophyta
|
Spain |
Late Devonian |
|
Retispora |
Retispora lepidophyta
|
W.Germany(Bavaria) |
Late Devonian |
|