Trachyoligotriletes |
Trachyoligotriletes navicularis
sp. nov. |
USSR(Pre-Baltic) |
Early Cambrian |
|
Trachyoligotriletes |
Trachyoligotriletes nevelensis
|
Nd |
Early Ordovician |
|
Trachyoligotriletes |
Trachyoligotriletes obsuletes
|
Nd |
Early Cambrian |
|
Trachyoligotriletes |
Trachyoligotriletes pellucidus
sp. nov. |
USSR(Pre-Baltic) |
Vendian |
Late Cambrian |
Trachyoligotriletes |
Trachyoligotriletes planus
|
Nd |
Proterozoic |
Early Ordovician |
Trachyoligotriletes |
Trachyoligotriletes rugosus
sp. nov. |
USSR(Pre-Baltic) |
Proterozoic |
Late Cambrian |
Trachyoligotriletes |
Trachyoligotriletes serpentinus
sp. nov. |
USSR(Pre-Baltic) |
Late Cambrian |
|
Trachyoligotriletum |
Trachyoligotriletum
|
Nd |
Nd |
|
Trachypsophosphaera |
Trachypsophosphaera
|
Nd |
Nd |
|
Trachypsophosphaera |
Trachypsophosphaera exilis
|
Nd |
Nd |
|
Trachypsophosphaera |
Trachypsophosphaera rugellosa
|
USSR(Yaroslav) |
Ordovician |
|
Trachypsophosphaera |
Trachypsophosphaera rugosa
|
Nd |
Nd |
|
Trachypsophosphaera |
Trachypsophosphaera uspenskyi
|
Nd |
Early Ordovician |
Middle Ordovician |
Trachypsophosphaera |
Trachypsophosphaera uspenskyi
|
USSR(Urals) |
Silurian |
Middle Devonian |
Trachypsophosphaera |
Trachypsophosphaera uspenskyi
|
Nd |
Early Ordovician |
Middle Ordovician |
Trachyrytidodiacrodium |
Trachyrytidodiacrodium
|
Nd |
Nd |
|
Trachyrytidodiacrodium |
Trachyrytidodiacrodium involutivum
|
Nd |
Late Cambrian |
|