Baltisphaeridium |
Baltisphaeridium pauciverrucosum
|
Finland |
Ordovician |
|
Baltisphaeridium |
Baltisphaeridium pseudocalicispinum
|
Estonia |
Ordovician |
|
Baltisphaeridium |
Baltisphaeridium pseudocalicispinum
|
Finland |
Ordovician |
|
Baltisphaeridium |
Baltisphaeridium pseudofaveolatum
|
Baltic Region |
Middle Cambrian |
|
Baltisphaeridium |
Baltisphaeridium pseudofaveolatum
|
Finland |
Cambrian |
|
Baltisphaeridium |
Baltisphaeridium pustulatum
|
Estonia |
Ordovician |
|
Baltisphaeridium |
Baltisphaeridium pustulatum
|
Finland |
Ordovician |
|
Baltisphaeridium |
Baltisphaeridium sp
|
Finland |
Ordovician |
|
Baltisphaeridium |
Baltisphaeridium trabeculaespinae
|
Estonia |
Ordovician |
|
Baltisphaeridium |
Baltisphaeridium trabeculaespinae
|
Finland |
Ordovician |
|
Baltisphaeridium |
Baltisphaeridium tranvikense
|
Estonia |
Ordovician |
|
Baltisphaeridium |
Baltisphaeridium tranvikense
|
Finland |
Ordovician |
|
Baltisphaeridium |
Baltisphaeridium trichophorum
|
Estonia |
Middle Ordovician |
|
Cheleutochroa |
Cheleutochroa venosa
|
Estonia |
Ordovician |
|
Cheleutochroa |
Cheleutochroa venosa
|
Finland |
Ordovician |
|
Comasphaeridium |
Comasphaeridium filosum
|
Estonia |
Ordovician |
|
Comasphaeridium |
Comasphaeridium filosum
|
Finland |
Ordovician |
|