Protoleiosphaeridium |
Protoleiosphaeridium diaphanium
|
Canada(Alberta) |
Late Devonian |
|
Protoleiosphaeridium |
Protoleiosphaeridium faveolatum
|
USSR(Pre-Baltic) |
Early Cambrian |
Late Cambrian |
Protoleiosphaeridium |
Protoleiosphaeridium granulosum
|
Nd |
Nd |
|
Protoleiosphaeridium |
Protoleiosphaeridium granulosum
|
Canada(Alberta) |
Late Devonian |
|
Protoleiosphaeridium |
Protoleiosphaeridium indefinitum
|
USSR(Pre-Baltic) |
Early Paleozoic |
|
Protoleiosphaeridium |
Protoleiosphaeridium major
|
Canada(Alberta) |
Late Devonian |
|
Protoleiosphaeridium |
Protoleiosphaeridium microgranifer
|
Nd |
Nd |
|
Protoleiosphaeridium |
Protoleiosphaeridium microsaetosum
|
Canada(Alberta) |
Late Devonian |
|
Protoleiosphaeridium |
Protoleiosphaeridium minutum
|
USSR(Russian Platform) |
Late Riphean |
|
Protoleiosphaeridium |
Protoleiosphaeridium nervatum
|
USSR(Pre-Baltic) |
Early Paleozoic |
|
Protoleiosphaeridium |
Protoleiosphaeridium orbiculatum
|
Canada(Alberta) |
Late Devonian |
|
Protoleiosphaeridium |
Protoleiosphaeridium papillatum
|
Canada(Alberta) |
Late Devonian |
|
Protoleiosphaeridium |
Protoleiosphaeridium parvigranulosum
|
Canada(Alberta) |
Late Devonian |
|
Protoleiosphaeridium |
Protoleiosphaeridium sorediforme
|
USSR(Pre-Baltic) |
Early Paleozoic |
|
Protoleiosphaeridium |
Protoleiosphaeridium wimanii
|
Sweden |
Vendian |
|
Protoocridosphaeridium |
Protoocridosphaeridium elandii
|
Nd |
Nd |
|
Prototrematosphaeridium |
Prototrematosphaeridium holtedahlii
|
Nd |
Nd |
|