Skiagia |
Skiagia ciliosa
|
Poland |
Early Cambrian |
|
Skiagia |
Skiagia ciliosa
|
USSR(Russian Platform) |
Early Cambrian |
Middle Cambrian |
Skiagia |
Skiagia compressa
|
Poland |
Early Cambrian |
|
Skiagia |
Skiagia compressa
|
USSR(Russian Platform) |
Early Cambrian |
Middle Cambrian |
Skiagia |
Skiagia insignis
|
Nd |
Nd |
|
Skiagia |
Skiagia insignis
|
Poland |
Early Cambrian |
|
Skiagia |
Skiagia orbicularis
|
Poland |
Early Cambrian |
|
Skiagia |
Skiagia orbicularis
|
USSR(Russian Platform) |
Early Cambrian |
|
Skiagia |
Skiagia ornata
|
Poland |
Early Cambrian |
|
Skiagia |
Skiagia ornata
|
USSR(Russian Platform) |
Early Cambrian |
|
Solisphaeridium |
Solisphaeridium rigidispinosum
|
Nd |
Nd |
|
Spelaeotriletes |
Spelaeotriletes lepidophytus
|
Nd |
Nd |
|
Stellechinatum |
Stellechinatum celestum
|
Nd |
Llanvirnian |
Llandeilian |
Stellechinatum |
Stellechinatum llandeilum
|
Nd |
Early Llandeilian |
Middle Llandeilian |
Stellechinatum |
Stellechinatum papulessum
|
Nd |
Arenigian |
|
Stellechinatum |
Stellechinatum sicaforme
|
Nd |
Late Tremadocian |
Early Ashgillian |
Stellechinatum |
Stellechinatum uncinatum
|
USSR(Russian Platform) |
Late Cambrian |
Ordovician |