Trachydiacrodium |
Trachydiacrodium legiminiforme
|
Poland |
Tremadocian |
|
Trachydiacrodium |
Trachydiacrodium maximum
|
Poland |
Tremadocian |
|
Trachydiacrodium |
Trachydiacrodium productum
|
Poland |
Tremadocian |
|
Trachyoligotriletes |
Trachyoligotriletes asperatus
|
Poland |
Tremadocian |
|
Trachyoligotriletes |
Trachyoligotriletes minutus
|
Poland |
Tremadocian |
|
Trachyoligotriletes |
Trachyoligotriletes minutus
|
Poland |
Precambriam |
|
Trachyoligotriletes |
Trachyoligotriletes nevelensis
|
Poland |
Precambriam |
|
Trachyoligotriletes |
Trachyoligotriletes obsuletes
|
Poland |
Tremadocian |
|
Trachyoligotriletes |
Trachyoligotriletes obsuletes
|
Poland |
Early Ordovician |
|
Trachyoligotriletes |
Trachyoligotriletes planus
|
Poland |
Cambrian |
Early Tremadocian |
Trachyoligotriletes |
Trachyoligotriletes planus
|
Poland |
Early Ordovician |
|
Trachysphaeridium |
Trachysphaeridium uspenskyi
|
Poland |
Early Tremadocian |
Early Ashgillian |
Trematoligotriletum |
Trematoligotriletum brzezinense
|
Poland |
Early Ordovician |
|
Trematoligotriletum |
Trematoligotriletum emarginatum
|
Poland |
Early Ordovician |
|
Vavososphaeridium |
Vavososphaeridium michailovskyi
|
Poland |
Early Ordovician |
|
Zonosphaeridium |
Zonosphaeridium obscurum
|
Poland |
Early Ordovician |
|