Baltisphaeridium |
Baltisphaeridium multipilosum
|
USSR(Estonian SSR) |
Arenigian |
|
Baltisphaeridium |
Baltisphaeridium polygonale
|
USSR(Estonian SSR) |
Early Llandoverian |
|
Pulvinosphaeridium |
Pulvinosphaeridium pulvinellum
|
USSR(Estonian SSR) |
Early Llandoverian |
|
Baltisphaeridium |
Baltisphaeridium digitatum
|
USSR(Estonian SSR) |
Ashgillian |
|
Estiastra |
Estiastra magna
sp. nov. |
USSR(Estonian SSR) |
Late Llandoverian |
|
Baltisphaeridium |
Baltisphaeridium digitatum
|
USSR(Estonian SSR) |
Late Llandoverian |
|
Baltisphaeridium |
Baltisphaeridium trifurcatum
|
USSR(Estonian SSR) |
Middle Ordovician |
Early Llandoverian |
Baltisphaeridium |
Baltisphaeridium trifurcatum
sp. nov. |
USSR(Estonian SSR) |
Middle Ordovician |
Early Llandoverian |
Baltisphaeridium |
Baltisphaeridium trifurcatum
sp. nov. |
USSR(Estonian SSR) |
Middle Ordovician |
|
Baltisphaeridium |
Baltisphaeridium trifurcatum
sp. nov. |
USSR(Estonian SSR) |
Early Ordovician |
|
Baltisphaeridium |
Baltisphaeridium micranthum
sp. nov. |
USSR(Estonian SSR) |
Ordovician |
|
Bion |
Bion cruciferum
|
USSR(Estonian SSR) |
Ordovician |
|
Baltisphaeridium |
Baltisphaeridium longispinosum
|
USSR(Estonian SSR) |
Late Cambrian |
Ordovician |
Estiastra |
Estiastra
|
USSR(Estonian SSR) |
Late Llandoverian |
|
Hystrichosphaeridium |
Hystrichosphaeridium polygonale
|
USSR(Estonian SSR) |
Early Llandoverian |
|
Hystrichosphaeridium |
Hystrichosphaeridium digitatum
|
USSR(Estonian SSR) |
Late Llandoverian |
|
Baltisphaeridium |
Baltisphaeridium brevispinosum
|
USSR(Estonian SSR) |
Arenigian |
|