Baltisphaeridium |
Baltisphaeridium trifurcatum
|
Baltic |
Late Ordovician |
Early Gothlandian |
Cyathochitina |
Cyathochitina campanulaeformis
|
Baltic |
Middle Ordovician |
Late Ordovician |
Ancyrochitina |
Ancyrochitina ancyrea
|
Baltic |
Ordovician |
|
Baltisphaeridium |
Baltisphaeridium multipilosum
|
Baltic |
Ordovician |
|
Baltisphaeridium |
Baltisphaeridium microspinosum
|
Baltic |
Ordovician |
|
Leiovalia |
Leiovalia similis
sp. nov. |
Baltic |
Ordovician |
|
Leiofusa |
Leiofusa fusiformis
|
Baltic |
Ordovician |
|
Tasmanites |
Tasmanites balticus
|
Baltic |
Ordovician |
|
Tasmanites |
Tasmanites martinssonii
|
Baltic |
Ordovician |
|
Tasmanites |
Tasmanites verrucosus
|
Baltic |
Ordovician |
|
Tasmanites |
Tasmanites minutus
sp. nov. |
Baltic |
Ordovician |
|
Leiosphaeridia |
Leiosphaeridia baltica
|
Baltic |
Ordovician |
|
Leiosphaeridia |
Leiosphaeridia granulata
|
Baltic |
Ordovician |
|
Cymatiosphaera |
Cymatiosphaera sp
|
Baltic |
Ordovician |
|
Baltisphaeridium |
Baltisphaeridium polygonale
|
Baltic |
Late Ordovician |
Early Gothlandian |
Baltisphaeridium |
Baltisphaeridium digitatum
|
Baltic |
Late Ordovician |
Early Gothlandian |
Baltisphaeridium |
Baltisphaeridium trifurcatum
|
Baltic |
Late Ordovician |
Early Gothlandian |