Lophosphaeridium |
Lophosphaeridium tuberculiferum
|
USSR(Yaroslav) |
Early Frasnian |
|
Lophotriletes |
Lophotriletes famenensis
|
USSR(Yaroslav) |
Early Carboniferous |
|
Lophotriletes |
Lophotriletes microgranifer
|
USSR(Yaroslav) |
Early Carboniferous |
|
Lophotriletes |
Lophotriletes normalis
|
USSR(Yaroslav) |
Early Carboniferous |
|
Lophotriletes |
Lophotriletes rotundus
|
USSR(Yaroslav) |
Early Carboniferous |
|
Lophotriletes |
Lophotriletes rugosus
|
USSR(Ukrainian SSR) |
Triassic |
|
Lophotriletes |
Lophotriletes rugosus
|
USSR(Yaroslav) |
Devonian |
Early Carboniferous |
Lophotriletes |
Lophotriletes trisulcus
|
USSR(Ukrainian SSR) |
Triassic |
|
Lophotriletes |
Lophotriletes trivialis
|
USSR(Ukrainian SSR) |
Triassic |
|
Lophotriletes |
Lophotriletes tuberculatus
|
USSR(Yaroslav) |
Devonian |
|
Lophozonotriletes |
Lophozonotriletes curvatus
|
USSR(Ukrainian SSR) |
Triassic |
|
Lophozonotriletes |
Lophozonotriletes curvatus
|
USSR(Yaroslav) |
Early Carboniferous |
|
Lophozonotriletes |
Lophozonotriletes proscurrus
|
USSR(Ukrainian SSR) |
Triassic |
|
Lophozonotriletes |
Lophozonotriletes scurrus
|
USSR(Yaroslav) |
Late Devonian |
|
Micrhystridium |
Micrhystridium eatonense
|
USSR(Baltic) |
Ordovician |
|
Micrhystridium |
Micrhystridium eatonense
|
USSR(Baltic) |
Late Ordovician |
|
Micrhystridium |
Micrhystridium kufferathii
|
USSR(Baltic) |
Cambrian |
|