Hystrichosphaeridium |
Hystrichosphaeridium oligospinosum
sp. nov. |
USSR(Baltic) |
Silurian |
|
Hystrichosphaeridium |
Hystrichosphaeridium polygonale
|
USSR(Baltic) |
Silurian |
|
Hystrichosphaeridium |
Hystrichosphaeridium polygonale
sp. nov. |
USSR(Baltic) |
Silurian |
|
Hystrichosphaeridium |
Hystrichosphaeridium sp. Eise.,1938
sp. nov. |
USSR(Baltic) |
Silurian |
|
Hystrichosphaeridium |
Hystrichosphaeridium trifurcatum
|
USSR(Baltic) |
Early Gothlandian |
|
Hystrichosphaeridium |
Hystrichosphaeridium trifurcatum
|
USSR(Baltic) |
Early Gothlandian |
|
Hystrichosphaeridium |
Hystrichosphaeridium trispinosum
sp. nov. |
USSR(Baltic) |
Early Gothlandian |
|
Leiofusa |
Leiofusa
|
USSR(Baltic) |
Early Gothlandian |
|
Leiofusa |
Leiofusa fusiformis
sp. nov. |
USSR(Baltic) |
Silurian |
|
Leiofusa |
Leiofusa navis
|
USSR(Baltic) |
Silurian |
|
Leiofusa |
Leiofusa ovalis
sp. nov. |
USSR(Baltic) |
Silurian |
|
Leiosphaera |
Leiosphaera
|
USSR(Baltic) |
Early Gothlandian |
|
Leiosphaera |
Leiosphaera dictyota
sp. nov. |
USSR(Baltic) |
Silurian |
|
Leiosphaera |
Leiosphaera granulata
sp. nov. |
USSR(Baltic) |
Silurian |
|
Leiosphaera |
Leiosphaera media
|
USSR(Baltic) |
Silurian |
|
Leiosphaera |
Leiosphaera megacystis
|
USSR(Baltic) |
Silurian |
|
Leiosphaera |
Leiosphaera microcystis
|
USSR(Baltic) |
Silurian |
|