Archaeohystrichosphaeridium |
Archaeohystrichosphaeridium sp
|
USSR(Siberia) |
Llandoverian |
|
Baltisphaeridium |
Baltisphaeridium archaicum
|
USSR(Siberia) |
Late Llandoverian |
Wenlockian |
Baltisphaeridium |
Baltisphaeridium brevispinosum
|
USSR(Siberia) |
Late Llandoverian |
Ludlovian |
Baltisphaeridium |
Baltisphaeridium denticulatum
|
USSR(Siberia) |
Late Llandoverian |
|
Baltisphaeridium |
Baltisphaeridium denticulatum
|
USSR(Siberia) |
Ludlovian |
|
Baltisphaeridium |
Baltisphaeridium echinodermum
|
USSR(Siberia) |
Late Llandoverian |
Ludlovian |
Baltisphaeridium |
Baltisphaeridium granulatispinosum
|
USSR(Siberia) |
Late Llandoverian |
Wenlockian |
Baltisphaeridium |
Baltisphaeridium granuliferum
|
USSR(Siberia) |
Late Llandoverian |
Wenlockian |
Baltisphaeridium |
Baltisphaeridium longispinosum
|
USSR(Siberia) |
Late Llandoverian |
Wenlockian |
Baltisphaeridium |
Baltisphaeridium macropylum
|
USSR(Siberia) |
Wenlockian |
|
Baltisphaeridium |
Baltisphaeridium malum
|
USSR(Siberia) |
Ludlovian |
|
Baltisphaeridium |
Baltisphaeridium meson
|
USSR(Siberia) |
Late Llandoverian |
Wenlockian |
Baltisphaeridium |
Baltisphaeridium microspinosum
|
USSR(Siberia) |
Late Llandoverian |
|
Baltisphaeridium |
Baltisphaeridium mucronatum
|
USSR(Siberia) |
Ludlovian |
|
Baltisphaeridium |
Baltisphaeridium polygonale
|
USSR(Siberia) |
Late Llandoverian |
|
Baltisphaeridium |
Baltisphaeridium robustispinosum
|
USSR(Siberia) |
Wenlockian |
|
Cymatiosphaera |
Cymatiosphaera pavimenta
|
USSR(Siberia) |
Wenlockian |
Ludlovian |