Baltisphaeridium |
Baltisphaeridium cylindrosum
|
Sweden |
Arenigian |
|
Baltisphaeridium |
Baltisphaeridium cylindrosum
sp. nov. |
USSR(Estonian SSR) |
Wenlockian |
|
Baltisphaeridium |
Baltisphaeridium longispinosum
|
USSR(Estonian SSR) |
Arenigian |
Ashgillian |
Baltisphaeridium |
Baltisphaeridium longispinosum
|
Sweden |
Arenigian |
Ashgillian |
Baltisphaeridium |
Baltisphaeridium rectangulare
sp. nov. |
USSR(Estonian SSR) |
Ashgillian |
|
Baltisphaeridium |
Baltisphaeridium robustum
sp. nov. |
Sweden |
Arenigian |
Ashgillian |
Baltisphaeridium |
Baltisphaeridium robustum
sp. nov. |
USSR(Estonian SSR) |
Arenigian |
Ashgillian |
Leiosphaeridia |
Leiosphaeridia sp
|
USSR(Estonian SSR) |
Arenigian |
Ashgillian |
Leiosphaeridia |
Leiosphaeridia sp
|
USSR(Estonian SSR) |
Arenigian |
Ashgillian |
Leiosphaeridia |
Leiosphaeridia sp
|
Sweden |
Arenigian |
Ashgillian |
Leiosphaeridia |
Leiosphaeridia sp
|
Sweden |
Arenigian |
Ashgillian |
Leiosphaeridia |
Leiosphaeridia tubulosa
sp. nov. |
Sweden |
Arenigian |
Ashgillian |
Leiosphaeridia |
Leiosphaeridia tubulosa
sp. nov. |
USSR(Estonian SSR) |
Arenigian |
Ashgillian |
Veryhachium |
Veryhachium oligospinosum
|
USSR(Estonian SSR) |
Arenigian |
Ashgillian |
Veryhachium |
Veryhachium oligospinosum
|
Sweden |
Arenigian |
Ashgillian |
Veryhachium |
Veryhachium polygonale
|
USSR(Estonian SSR) |
Arenigian |
Ashgillian |
Veryhachium |
Veryhachium polygonale
|
Sweden |
Arenigian |
Ashgillian |