Lophosphaeridium |
Lophosphaeridium ruidum
|
USSR(Russian Platform) |
Early Cambrian |
|
Micrhystridium |
Micrhystridium picorricum
|
USSR(Russian Platform) |
Late Ordovician |
|
Micrhystridium |
Micrhystridium picorricum
|
Spain |
Middle Siegenian |
Emsian |
Orygmatosphaeridium |
Orygmatosphaeridium rubiginosum
|
USSR(Russian Platform) |
Late Proterozoic |
|
Orygmatosphaeridium |
Orygmatosphaeridium rubiginosum
|
USSR(Russian Platform) |
Early Cambrian |
|
Orygmatosphaeridium |
Orygmatosphaeridium ruminatum
|
USSR(Russian Platform) |
Late Proterozoic |
|
Orygmatosphaeridium |
Orygmatosphaeridium semireticulatum
|
USSR(Russian Platform) |
Late Proterozoic |
|
Protoleiosphaeridium |
Protoleiosphaeridium araneosum
|
USSR(Russian Platform) |
Late Proterozoic |
|
Protoleiosphaeridium |
Protoleiosphaeridium bullatum
|
USSR(Russian Platform) |
Late Proterozoic |
|
Protoleiosphaeridium |
Protoleiosphaeridium circumscissum
|
USSR(Russian Platform) |
Late Gothlandian |
|
Protoleiosphaeridium |
Protoleiosphaeridium clarum
|
USSR(Russian Platform) |
Late Proterozoic |
|
Protoleiosphaeridium |
Protoleiosphaeridium clarum
|
USSR(Russian Platform) |
Tremadocian |
|
Protoleiosphaeridium |
Protoleiosphaeridium cultum
|
USSR(Russian Platform) |
Late Proterozoic |
|
Protoleiosphaeridium |
Protoleiosphaeridium cultum
|
USSR(Russian Platform) |
Middle Cambrian |
|
Protoleiosphaeridium |
Protoleiosphaeridium duricorium
|
USSR(Russian Platform) |
Late Proterozoic |
|
Protoleiosphaeridium |
Protoleiosphaeridium flavidum
|
USSR(Russian Platform) |
Late Proterozoic |
|
Protoleiosphaeridium |
Protoleiosphaeridium flavidum
|
USSR(Russian Platform) |
Tremadocian |
|