Baltisphaeridium |
Baltisphaeridium multipilosum
|
Nd |
Nd |
|
Baltisphaeridium |
Baltisphaeridium multipilosum
|
Nd |
Nd |
|
Baltisphaeridium |
Baltisphaeridium mutabile
|
Nd |
Nd |
|
Baltisphaeridium |
Baltisphaeridium mutabile
|
USSR(Baltic) |
Middle Cambrian |
|
Baltisphaeridium |
Baltisphaeridium nanum
|
Nd |
Nd |
|
Baltisphaeridium |
Baltisphaeridium neptunii
|
Nd |
Nd |
|
Baltisphaeridium |
Baltisphaeridium nudatum
|
USSR(Pre-Baltic) |
Early Ordovician |
|
Baltisphaeridium |
Baltisphaeridium octospinosum
|
Canada(Alberta) |
Late Devonian |
|
Baltisphaeridium |
Baltisphaeridium ohioense
|
USA |
Late Devonian |
|
Baltisphaeridium |
Baltisphaeridium oligacanthum
|
Nd |
Nd |
|
Baltisphaeridium |
Baltisphaeridium oligacanthum
|
Nd |
Nd |
|
Baltisphaeridium |
Baltisphaeridium oligacanthum
|
Nd |
Nd |
|
Baltisphaeridium |
Baltisphaeridium oligacanthum
|
Nd |
Nd |
|
Baltisphaeridium |
Baltisphaeridium oligacanthum
|
Nd |
Nd |
|
Baltisphaeridium |
Baltisphaeridium oligofurcatum
|
Baltic |
Late Llandoverian |
|
Baltisphaeridium |
Baltisphaeridium ordovicum
|
Nd |
Nd |
|
Baltisphaeridium |
Baltisphaeridium paleozoicum
|
Nd |
Nd |
|