Trachyoligotriletes |
Trachyoligotriletes serpentinus
sp. nov. |
USSR(Pre-Baltic) |
Late Cambrian |
|
Trachysphaeridium |
Trachysphaeridium patellare
sp. nov. |
USSR(Pre-Baltic) |
Arenigian |
|
Trachytriletes |
Trachytriletes ischoricus
|
USSR(Pre-Baltic) |
Precambriam |
Early Ordovician |
Trachytriletes |
Trachytriletes timofeevii
sp. nov. |
USSR(Pre-Baltic) |
Middle Cambrian |
|
Trachyzonodiacrodium |
Trachyzonodiacrodium
|
USSR(Pre-Baltic) |
Late Cambrian |
|
Trachyzonodiacrodium |
Trachyzonodiacrodium signatum
|
USSR(Pre-Baltic) |
Late Cambrian |
|
Veryhachium |
Veryhachium quadrangulum
|
USSR(Pre-Baltic) |
Late Cambrian |
|
Hystrichosphaeridium |
Hystrichosphaeridium annulatum
|
USSR(Pre-Baltic) |
Early Ordovician |
|
Hystrichosphaeridium |
Hystrichosphaeridium arrectum
|
USSR(Pre-Baltic) |
Early Ordovician |
Middle Ordovician |
Archaeohystrichosphaeridium |
Archaeohystrichosphaeridium complicatum
|
USSR(Pre-Baltic) |
Early Ordovician |
|
Acanthotriletes |
Acanthotriletes correctus
|
USSR(Russian Platform) |
Givetian |
|
Acanthotriletes |
Acanthotriletes devonicus
sp. nov. |
USSR(Russian Platform) |
Devonian |
|
Acanthotriletes |
Acanthotriletes frasnensis
sp. nov. |
USSR(Russian Platform) |
Frasnian |
|
Acanthotriletes |
Acanthotriletes hirsutus
|
USSR(Russian Platform) |
Devonian |
|
Acanthotriletes |
Acanthotriletes hirtus
|
USSR(Russian Platform) |
Frasnian |
|
Acanthotriletes |
Acanthotriletes uncatus
|
USSR(Russian Platform) |
Late Givetian |
Early Frasnian |
Acanthotriletes |
Acanthotriletes uncatus
|
USSR(Russian Platform) |
Devonian |
|