Baltisphaeridium |
Baltisphaeridium minor
|
England(Staffordshire) |
Cambrian |
|
Baltisphaeridium |
Baltisphaeridium mochtiense
|
USSR(Russian Platform) |
Arenigian |
Middle Caradocian |
Baltisphaeridium |
Baltisphaeridium multipilosum
|
USSR(Russian Platform) |
Ordovician |
|
Baltisphaeridium |
Baltisphaeridium multipilosum
|
USSR(Russian Platform) |
Ordovician |
|
Baltisphaeridium |
Baltisphaeridium oblongum
|
USSR(Russian Platform) |
Tremadocian |
Llanvirnian |
Baltisphaeridium |
Baltisphaeridium oblongum
|
USSR(Pre-Baltic) |
Early Cambrian |
|
Baltisphaeridium |
Baltisphaeridium pachyacanthum
|
USSR(Russian Platform) |
Arenigian |
Middle Caradocian |
Baltisphaeridium |
Baltisphaeridium pedicellatum
|
USSR(Russian Platform) |
Early Ordovician |
|
Baltisphaeridium |
Baltisphaeridium pedicellatum
sp. nov. |
USSR(Yaroslav) |
Tremadocian |
|
Baltisphaeridium |
Baltisphaeridium pilosellum
|
USSR(Russian Platform) |
Ordovician |
Silurian |
Baltisphaeridium |
Baltisphaeridium pilosellum
sp. nov. |
USSR(Estonian SSR) |
Late Caradocian |
|
Baltisphaeridium |
Baltisphaeridium piriferum
|
USSR(Russian Platform) |
Early Wenlockian |
|
Baltisphaeridium |
Baltisphaeridium polygonale
|
USSR(Russian Platform) |
Early Llandoverian |
|
Baltisphaeridium |
Baltisphaeridium polygonale
|
USSR(Russian Platform) |
Early Ordovician |
Middle Ordovician |
Baltisphaeridium |
Baltisphaeridium polyradiatum
|
USSR(Russian Platform) |
Arenigian |
Middle Ordovician |
Baltisphaeridium |
Baltisphaeridium polyradiatum
|
USSR(Russian Platform) |
Early Ordovician |
|
Baltisphaeridium |
Baltisphaeridium pungens
|
USSR(Russian Platform) |
Ordovician |
|