Emphanisporites |
Emphanisporites neglectus
|
Spitsbergen |
Gedinnian |
Frasnian |
Emphanisporites |
Emphanisporites protophanus
|
Africa(Sahara) |
Ludlovian |
Downtonian |
Emphanisporites |
Emphanisporites protophanus
|
England |
Ludlovian |
|
Emphanisporites |
Emphanisporites protophanus
|
Wales |
Ludlovian |
|
Emphanisporites |
Emphanisporites schultzii
|
Belgium |
Emsian |
|
Emphanisporites |
Emphanisporites schultzii
|
Germany |
Emsian |
|
Emphanisporites |
Emphanisporites schultzii
|
Canada |
Emsian |
|
Emphanisporites |
Emphanisporites spinaeformis
|
Africa(Sahara) |
Emsian |
Eifelian |
Emphanisporites |
Emphanisporites spinaeformis
|
Belgium |
Emsian |
|
Emphanisporites |
Emphanisporites spinaeformis
|
Germany |
Emsian |
|
Emphanisporites |
Emphanisporites spinaeformis
|
USSR(Russian Platform) |
Eifelian |
|
Emphanisporites |
Emphanisporites spinaeformis
|
France |
Emsian |
Givetian |
Emphanisporites |
Emphanisporites spinaeformis
|
Spain |
Emsian |
Givetian |
Geminospora |
Geminospora lemurata
|
England |
Emsian |
Frasnian |
Geminospora |
Geminospora lemurata
|
Wales |
Emsian |
Frasnian |
Geminospora |
Geminospora lemurata
|
Spitsbergen |
Emsian |
Frasnian |
Geminospora |
Geminospora lemurata
|
USSR(Russian Platform) |
Eifelian |
Frasnian |