Hystrichosphaeridium |
Hystrichosphaeridium sexradiatum
|
USSR(Yaroslav) |
Late Cambrian |
Tremadocian |
Hystrichosphaeridium |
Hystrichosphaeridium sexradiatum
|
USSR(Pre-Baltic) |
Early Ordovician |
|
Impluviculus |
Impluviculus multiangularis
|
USSR(Yaroslav) |
Late Cambrian |
|
Impluviculus |
Impluviculus multiangularis
|
USSR(Estonian SSR) |
Late Cambrian |
|
Impluviculus |
Impluviculus multiangularis
|
USSR(Leningrad) |
Late Cambrian |
|
Impluviculus |
Impluviculus multiangularis
|
USSR(Russian Platform) |
Tremadocian |
|
Impluviculus |
Impluviculus sp. Volk.,1990
|
USSR(Yaroslav) |
Late Cambrian |
|
Impluviculus |
Impluviculus sp. Volk.,1990
|
USSR(Leningrad) |
Late Cambrian |
|
Impluviculus |
Impluviculus sp. Volk.,1990
|
USSR(Estonian SSR) |
Late Cambrian |
|
Impluviculus |
Impluviculus villosinsculus
sp. nov. |
USSR(Yaroslav) |
Late Cambrian |
|
Izhoria |
Izhoria angulata
|
USSR(Yaroslav) |
Late Cambrian |
|
Izhoria |
Izhoria angulata
|
USSR(Leningrad) |
Late Cambrian |
|
Izhoria |
Izhoria angulata
|
USSR(Yaroslav) |
Late Cambrian |
Early Tremadocian |
Ladogella |
Ladogella rotundiformis
|
USSR(Yaroslav) |
Late Cambrian |
Early Tremadocian |
Ladogella |
Ladogella rotundiformis
|
USSR(Leningrad) |
Late Cambrian |
|
Ladogella |
Ladogella sp
|
USSR(Yaroslav) |
Late Cambrian |
Early Tremadocian |
Leiofusa |
Leiofusa stoumonensis
|
USSR(Estonian SSR) |
Late Cambrian |
|