Stelliferidium |
Stelliferidium philippotii
|
Spain |
Early Llanvirnian |
|
Stelliferidium |
Stelliferidium sp
|
Sweden |
Late Arenigian |
Early Llanvirnian |
Stelliferidium |
Stelliferidium stelligerum
|
Czechoslovakia(Bohemia) |
Arenigian |
|
Stephanodiacrodium |
Stephanodiacrodium stephanum
|
Czechoslovakia(Bohemia) |
Arenigian |
|
Striatotheca |
Striatotheca microrugulata
|
Czechoslovakia(Bohemia) |
Arenigian |
|
Striatotheca |
Striatotheca microrugulata
|
Belgium |
Early Llanvirnian |
|
Striatotheca |
Striatotheca principalis
|
Czechoslovakia(Bohemia) |
Arenigian |
|
Striatotheca |
Striatotheca principalis
|
Spain |
Early Llanvirnian |
|
Striatotheca |
Striatotheca principalis
|
Belgium |
Early Llanvirnian |
|
Striatotheca |
Striatotheca quieta
|
Spain |
Early Llanvirnian |
|
Striatotheca |
Striatotheca rarirrugulata
|
Czechoslovakia(Bohemia) |
Arenigian |
|
Striatotheca |
Striatotheca rarirrugulata
|
Tunisia |
Early Llanvirnian |
|
Striatotheca |
Striatotheca sp
|
China(Hupei) |
Late Arenigian |
|
Tongzia |
Tongzia meitana
|
Czechoslovakia(Bohemia) |
Arenigian |
|
Vavrdovella |
Vavrdovella areniga
|
Czechoslovakia(Bohemia) |
Arenigian |
|
Vavrdovella |
Vavrdovella sp
|
Baltic |
Arenigian |
Llanvirnian |
Veryhachium |
Veryhachium lairdii
|
Belgium |
Early Llanvirnian |
|