Ammonidium |
Ammonidium sannemannii
|
Czechoslovakia |
Silurian |
Devonian |
Ancyrospora |
Ancyrospora macra
|
Czechoslovakia |
Silurian |
Devonian |
Archaeoperisaccus |
Archaeoperisaccus oblongus
|
Czechoslovakia |
Silurian |
Devonian |
Archaeoperisaccus |
Archaeoperisaccus sp
|
Czechoslovakia |
Silurian |
Devonian |
Archeozonotriletes |
Archeozonotriletes sp
|
Czechoslovakia |
Silurian |
Devonian |
Dictyotriletes |
Dictyotriletes minor
|
Czechoslovakia |
Silurian |
Devonian |
Leiotriletes |
Leiotriletes laevis
|
Czechoslovakia |
Silurian |
Devonian |
Planisporites |
Planisporites minimus
|
Czechoslovakia |
Silurian |
Devonian |
Retusotriletes |
Retusotriletes tenerimedius
|
Czechoslovakia |
Silurian |
Devonian |
Samarisporites |
Samarisporites
|
Czechoslovakia |
Silurian |
Devonian |
Synsphaeridium |
Synsphaeridium sorediforme
|
Czechoslovakia |
Silurian |
Devonian |