Baltisphaeridium |
Baltisphaeridium longispinosum
|
Baltic |
Arenigian |
Llandoverian |
Baltisphaeridium |
Baltisphaeridium latiradiatum
|
Baltic |
Arenigian |
Llandoverian |
Baltisphaeridium |
Baltisphaeridium pachyacanthum
|
Baltic |
Ordovician |
|
Baltisphaeridium |
Baltisphaeridium brevispinosum
|
Baltic |
Ordovician |
|
Baltisphaeridium |
Baltisphaeridium piriferum
|
Baltic |
Ordovician |
|
Multiplicisphaeridium |
Multiplicisphaeridium visbyense
|
Baltic |
Ordovician |
|
Multiplicisphaeridium |
Multiplicisphaeridium cladum
|
Baltic |
Ordovician |
|
Baltisphaeridium |
Baltisphaeridium erraticum
|
Baltic |
Ludlovian |
|
Multiplicisphaeridium |
Multiplicisphaeridium digitatum
|
Baltic |
Ashgillian |
Llandoverian |
Multiplicisphaeridium |
Multiplicisphaeridium corallinum
|
Baltic |
Wenlockian |
|
Goniosphaeridium |
Goniosphaeridium
|
Baltic |
Arenigian |
|
Goniosphaeridium |
Goniosphaeridium polygonale
|
Baltic |
Arenigian |
|
Baltisphaeridium |
Baltisphaeridium longispinosum
|
Baltic |
Arenigian |
Llandoverian |
Baltisphaeridium |
Baltisphaeridium longispinosum
|
Baltic |
Arenigian |
Llandoverian |
Ovum |
Ovum hispidum
|
Baltic |
Arenigian |
Llandoverian |
Baltisphaeridium |
Baltisphaeridium longispinosum
|
Baltic |
Arenigian |
Llandoverian |
Baltisphaeridium |
Baltisphaeridium trifurcatum
|
Baltic |
Middle Ordovician |
Late Ordovician |