Spinozonotriletes |
Spinozonotriletes uncatus
|
Canada |
Famennian |
Strunian |
Spinozonotriletes |
Spinozonotriletes uncatus
|
USSR(Russian Platform) |
Strunian |
|
Spinozonotriletes |
Spinozonotriletes uncatus
|
England |
Frasnian |
Strunian |
Spinozonotriletes |
Spinozonotriletes uncatus
|
Wales |
Frasnian |
Strunian |
Stenozonosporites |
Stenozonosporites
|
Canada |
Famennian |
Strunian |
Stenozonosporites |
Stenozonosporites flexuosus
|
England |
Strunian |
|
Stenozonosporites |
Stenozonosporites flexuosus
|
Wales |
Strunian |
|
Stenozonosporites |
Stenozonosporites flexuosus
sp. nov. |
Canada |
Famennian |
Strunian |
Stenozonosporites |
Stenozonosporites flexuosus
|
USSR(Russian Platform) |
Strunian |
|
Streelispora |
Streelispora newportensis
|
England |
Gedinnian |
Siegenian |
Streelispora |
Streelispora newportensis
|
Wales |
Gedinnian |
Siegenian |
Streelispora |
Streelispora newportensis
|
Scotland |
Gedinnian |
Siegenian |
Streelispora |
Streelispora newportensis
|
USSR(Russian Platform) |
Gedinnian |
Siegenian |
Synorisporites |
Synorisporites tripapillatus
|
Africa(Sahara) |
Downtonian |
Siegenian |
Synorisporites |
Synorisporites tripapillatus
|
England |
Downtonian |
Gedinnian |
Synorisporites |
Synorisporites tripapillatus
|
Wales |
Downtonian |
Gedinnian |
Synorisporites |
Synorisporites tripapillatus
|
Canada |
Gedinnian |
|