Geminospora |
Geminospora lemurata
|
France |
Frasnian |
|
Geminospora |
Geminospora lemurata
|
Spain |
Frasnian |
|
Geminospora |
Geminospora lemurata
|
Canada |
Givetian |
Frasnian |
Hystricosporites |
Hystricosporites delectabilis
|
England |
Givetian |
Frasnian |
Hystricosporites |
Hystricosporites delectabilis
|
Wales |
Givetian |
Frasnian |
Hystricosporites |
Hystricosporites delectabilis
|
Canada |
Givetian |
Frasnian |
Hystricosporites |
Hystricosporites delectabilis
|
Spitsbergen |
Givetian |
|
Hystricosporites |
Hystricosporites delectabilis
|
USSR(Russian Platform) |
Givetian |
Frasnian |
Hystricosporites |
Hystricosporites delectabilis
|
England |
Frasnian |
|
Hystricosporites |
Hystricosporites delectabilis
|
Wales |
Frasnian |
|
Hystricosporites |
Hystricosporites multifurcatus
|
Belgium |
Famennian |
|
Hystricosporites |
Hystricosporites multifurcatus
|
Germany |
Famennian |
|
Hystricosporites |
Hystricosporites multifurcatus
|
Spitsbergen |
Frasnian |
|
Hystricosporites |
Hystricosporites multifurcatus
|
France |
Frasnian |
Tournaisian |
Hystricosporites |
Hystricosporites multifurcatus
|
Spain |
Frasnian |
Tournaisian |
Knoxisporites |
Knoxisporites literatus
|
England |
Strunian |
|
Knoxisporites |
Knoxisporites literatus
|
Wales |
Strunian |
|