Baltisphaeridium |
Baltisphaeridium hirsutoides
|
Baltic |
Ordovician |
|
Baltisphaeridium |
Baltisphaeridium multipilosum
|
Baltic |
Ordovician |
|
Goniosphaeridium |
Goniosphaeridium polygonale
|
Baltic |
Ordovician |
|
Peteinosphaeridium |
Peteinosphaeridium breviradiatum
|
Baltic |
Ordovician |
|
Peteinosphaeridium |
Peteinosphaeridium hymenoferum
|
Baltic |
Ordovician |
|
Peteinosphaeridium |
Peteinosphaeridium trifurcatum
|
Baltic |
Ordovician |
|
Peteinosphaeridium |
Peteinosphaeridium trifurcatum
|
Baltic |
Ordovician |
|
Baltisphaeridium |
Baltisphaeridium latiradiatum
|
Baltic |
Early Ordovician |
|
Goniosphaeridium |
Goniosphaeridium balticum
|
Baltic |
Early Ordovician |
|
Cymatiogalea |
Cymatiogalea cristata
|
Baltic |
Early Ordovician |
|
Peteinosphaeridium |
Peteinosphaeridium macropylum
|
Baltic |
Early Ordovician |
|
Peteinosphaeridium |
Peteinosphaeridium micranthum
|
Baltic |
Early Ordovician |
|
Peteinosphaeridium |
Peteinosphaeridium paucifurcatum
|
Baltic |
Early Ordovician |
|
Peteinosphaeridium |
Peteinosphaeridium trifurcatum
|
Baltic |
Early Ordovician |
|
Baltisphaeridium |
Baltisphaeridium longispinosum
|
Baltic |
Middle Ordovician |
Late Llandoverian |
Cymatiosphaera |
Cymatiosphaera radiata
|
Baltic |
Senonian |
|
Goniosphaeridium |
Goniosphaeridium polygonale
|
Baltic |
Middle Ordovician |
Middle Gothlandian |