Synorisporites |
Synorisporites verrucatus
|
Africa(Sahara) |
Ludlovian |
Downtonian |
Synorisporites |
Synorisporites verrucatus
|
England |
Wenlockian |
Gedinnian |
Synorisporites |
Synorisporites verrucatus
|
Wales |
Wenlockian |
Gedinnian |
Synorisporites |
Synorisporites verrucatus
|
Scotland |
Gedinnian |
Siegenian |
Trileites |
Trileites oxfordiensis
|
England |
Emsian |
|
Trileites |
Trileites oxfordiensis
|
Wales |
Emsian |
|
Trileites |
Trileites oxfordiensis
|
Scotland |
Emsian |
|
Trileites |
Trileites oxfordiensis
|
Canada |
Emsian |
Eifelian |
Trileites |
Trileites oxfordiensis
|
Spitsbergen |
Siegenian |
Givetian |
Vallatisporites |
Vallatisporites pusillites
|
England |
Famennian |
Strunian |
Vallatisporites |
Vallatisporites pusillites
|
Wales |
Famennian |
Strunian |
Vallatisporites |
Vallatisporites pusillites
|
Belgium |
Famennian |
Strunian |
Vallatisporites |
Vallatisporites pusillites
|
Germany |
Famennian |
Strunian |
Vallatisporites |
Vallatisporites pusillites
|
Canada |
Famennian |
Strunian |
Vallatisporites |
Vallatisporites pusillites
|
USSR(Russian Platform) |
Strunian |
|
Vallatisporites |
Vallatisporites pusillites
|
France |
Strunian |
|
Vallatisporites |
Vallatisporites pusillites
|
Spain |
Strunian |
|