Azonomonoletes |
Azonomonoletes subscabrus
|
Nd |
Nd |
|
Azonomonoletes |
Azonomonoletes subscabrus
|
USSR(Baltic) |
Early Ordovician |
|
Azonomonoletes |
Azonomonoletes subspinellosus
|
USSR(Baltic) |
Late Ordovician |
|
Azonomonoletes |
Azonomonoletes torulosus
|
USSR(Baltic) |
Late Ordovician |
|
Azonomonoletes |
Azonomonoletes tuberculatus
|
USSR(Baltic) |
Late Ordovician |
|
Azonomonoletes |
Azonomonoletes varius
|
USSR(Baltic) |
Early Ordovician |
|
Bacisphaeridium |
Bacisphaeridium bacifer
|
Nd |
Nd |
|
Baltisphaeridium |
Baltisphaeridium aculeatum
|
USSR(Pre-Baltic) |
Early Ordovician |
|
Baltisphaeridium |
Baltisphaeridium alloiteauii
|
Nd |
Nd |
|
Baltisphaeridium |
Baltisphaeridium alpernii
|
Nd |
Nd |
|
Baltisphaeridium |
Baltisphaeridium andrewsii
|
Nd |
Nd |
|
Baltisphaeridium |
Baltisphaeridium annulatum
|
Nd |
Nd |
|
Baltisphaeridium |
Baltisphaeridium antiquum
|
USSR(Baltic) |
Late Cambrian |
|
Baltisphaeridium |
Baltisphaeridium apiculatum
|
Nd |
Nd |
|
Baltisphaeridium |
Baltisphaeridium arbusculiferum
|
Nd |
Nd |
|
Baltisphaeridium |
Baltisphaeridium armatum
|
Nd |
Nd |
|
Baltisphaeridium |
Baltisphaeridium arrectum
|
Nd |
Nd |
|