Filisphaeridium |
Filisphaeridium papillosum
|
USSR(Pre-Baltic) |
Late Cambrian |
|
Filisphaeridium |
Filisphaeridium triviale
|
China(Shanghai) |
Tremadocian |
Arenigian |
Filisphaeridium |
Filisphaeridium triviale
|
USSR(Pre-Baltic) |
Middle Cambrian |
Late Cambrian |
Goniosphaeridium |
Goniosphaeridium angulosum
|
China(Shanghai) |
Tremadocian |
|
Goniosphaeridium |
Goniosphaeridium angulosum
|
China(Shanghai) |
Tremadocian |
|
Goniosphaeridium |
Goniosphaeridium angulosum
|
USSR(Pre-Baltic) |
Middle Cambrian |
|
Goniosphaeridium |
Goniosphaeridium canningia
|
China(Shanghai) |
Arenigian |
|
Goniosphaeridium |
Goniosphaeridium canningia
|
China(Shanghai) |
Tremadocian |
Arenigian |
Goniosphaeridium |
Goniosphaeridium kudrjawzevii
|
China(Shanghai) |
Arenigian |
|
Goniosphaeridium |
Goniosphaeridium kudrjawzevii
|
USSR(Pre-Baltic) |
Late Cambrian |
|
Goniosphaeridium |
Goniosphaeridium mickwitzii
|
China(Shanghai) |
Tremadocian |
|
Goniosphaeridium |
Goniosphaeridium mickwitzii
|
USSR(Pre-Baltic) |
Late Cambrian |
|
Goniosphaeridium |
Goniosphaeridium pungens
|
China(Shanghai) |
Tremadocian |
|
Goniosphaeridium |
Goniosphaeridium sp
|
China(Shanghai) |
Tremadocian |
Arenigian |
Granomarginata |
Granomarginata sp
|
China(Shanghai) |
Tremadocian |
Arenigian |
Hystrichosphaeridium |
Hystrichosphaeridium annulatum
|
China(Shanghai) |
Arenigian |
|
Hystrichosphaeridium |
Hystrichosphaeridium annulatum
|
USSR(Pre-Baltic) |
Early Ordovician |
|