Retusotriletes |
Retusotriletes triangulatus
|
Scotland |
Gedinnian |
Emsian |
Retusotriletes |
Retusotriletes triangulatus
|
Belgium |
Eifelian |
Givetian |
Retusotriletes |
Retusotriletes triangulatus
|
Germany |
Eifelian |
Givetian |
Retusotriletes |
Retusotriletes triangulatus
|
Canada |
Givetian |
Frasnian |
Retusotriletes |
Retusotriletes triangulatus
|
Poland |
Emsian |
|
Retusotriletes |
Retusotriletes triangulatus
|
USSR(Russian Platform) |
Gedinnian |
|
Retusotriletes |
Retusotriletes triangulatus
|
USSR(Russian Platform) |
Givetian |
Frasnian |
Retusotriletes |
Retusotriletes warringtonii
|
Africa(Sahara) |
Ludlovian |
Downtonian |
Retusotriletes |
Retusotriletes warringtonii
|
England |
Wenlockian |
Emsian |
Retusotriletes |
Retusotriletes warringtonii
|
Wales |
Wenlockian |
Emsian |
Retusotriletes |
Retusotriletes warringtonii
|
Scotland |
Llandoverian |
|
Rhabdosporites |
Rhabdosporites langii
|
Africa(Sahara) |
Frasnian |
|
Rhabdosporites |
Rhabdosporites langii
|
England |
Eifelian |
Frasnian |
Rhabdosporites |
Rhabdosporites langii
|
Wales |
Eifelian |
Frasnian |
Rhabdosporites |
Rhabdosporites langii
|
Scotland |
Eifelian |
Givetian |
Rhabdosporites |
Rhabdosporites langii
|
Belgium |
Eifelian |
Givetian |
Rhabdosporites |
Rhabdosporites langii
|
Germany |
Eifelian |
Givetian |