Acanthotriletes |
Acanthotriletes
|
USSR(Yaroslav) |
Early Frasnian |
|
Archaeotriletes |
Archaeotriletes fidus
|
USSR(Yaroslav) |
Devonian |
Early Carboniferous |
Archaeotriletes |
Archaeotriletes rugosus
|
USSR(Yaroslav) |
Early Carboniferous |
|
Archaeotriletes |
Archaeotriletes variabilis
|
USSR(Yaroslav) |
Early Carboniferous |
|
Archaeozonotriletes |
Archaeozonotriletes basilaris
|
USSR(Yaroslav) |
Devonian |
Middle Carboniferous |
Archaeozonotriletes |
Archaeozonotriletes malevkensis
|
USSR(Yaroslav) |
Late Devonian |
|
Archaeozonotriletes |
Archaeozonotriletes notatus
|
USSR(Yaroslav) |
Devonian |
|
Archaeozonotriletes |
Archaeozonotriletes rugosus
|
USSR(Yaroslav) |
Early Carboniferous |
|
Archaeozonotriletes |
Archaeozonotriletes variabilis
|
USSR(Yaroslav) |
Early Carboniferous |
|
Archaeozonotriletes |
Archaeozonotriletes veleus
|
USSR(Yaroslav) |
Carboniferous |
|
Baltisphaeridium |
Baltisphaeridium arbusculiferum
|
USSR(Baltic) |
Late Ordovician |
|
Baltisphaeridium |
Baltisphaeridium brevispinosum
|
USSR(Baltic) |
Middle Cambrian |
|
Baltisphaeridium |
Baltisphaeridium carminae
|
USSR(Baltic) |
Ordovician |
|
Baltisphaeridium |
Baltisphaeridium cerinum
|
USSR(Baltic) |
Middle Cambrian |
Ordovician |
Baltisphaeridium |
Baltisphaeridium cognitum
|
USSR(Baltic) |
Late Ordovician |
|
Baltisphaeridium |
Baltisphaeridium complicatum
|
USSR(Baltic) |
Middle Cambrian |
Ordovician |
Baltisphaeridium |
Baltisphaeridium compressum
|
USSR(Baltic) |
Middle Cambrian |
Ordovician |