Peteinosphaeridium |
Peteinosphaeridium breviradiatum
|
France(Tarn) |
Tremadocian |
Arenigian |
Peteinosphaeridium |
Peteinosphaeridium nudum
|
France(Tarn) |
Tremadocian |
|
Peteinosphaeridium |
Peteinosphaeridium trifurcatum
|
France(Tarn) |
Arenigian |
|
Polyedryxium |
Polyedryxium pentagonale
|
France(Tarn) |
Middle Cambrian |
|
Protoleiosphaeridae |
Protoleiosphaeridae
|
France(Tarn) |
Early Cambrian |
|
Pterospermopsimorpha |
Pterospermopsimorpha
|
France(Tarn) |
Early Cambrian |
|
Pterospermopsis |
Pterospermopsis hermosita
|
France(Tarn) |
Arenigian |
|
Pterospermopsis |
Pterospermopsis onondagaensis
|
France(Tarn) |
Arenigian |
|
Sphaeromorphitae |
Sphaeromorphitae
|
France(Tarn) |
Early Cambrian |
Middle Cambrian |
Sphaeromorphitae |
Sphaeromorphitae
|
France(Tarn) |
Arenigian |
|
Stelliferidium |
Stelliferidium stelligerum
|
France(Tarn) |
Tremadocian |
|
Striatotheca |
Striatotheca principalis
|
France(Tarn) |
Late Tremadocian |
Arenigian |
Striatotheca |
Striatotheca principalis
|
France(Tarn) |
Arenigian |
|
Striatotheca |
Striatotheca trapeziformis
|
France(Tarn) |
Arenigian |
|
Symplassosphaeridium |
Symplassosphaeridium sp
|
France(Tarn) |
Middle Cambrian |
|
Synsphaeridium |
Synsphaeridium
|
France(Tarn) |
Middle Cambrian |
|
Tasmanites |
Tasmanites sp
|
France(Tarn) |
Arenigian |
|