Rugospora |
Rugospora flexuosa
|
Canada(Nova Scotia) |
Nd |
|
Spinozonotriletes |
Spinozonotriletes arduinnae
|
Northern Hemisphere |
Late Emsian |
Early Eifelian |
Spinozonotriletes |
Spinozonotriletes arduinnae
|
W.Germany(Rhineland) |
Nd |
|
Streelispora |
Streelispora newportensis
|
Northern Hemisphere |
Gedinnian |
|
Streelispora |
Streelispora newportensis
|
England(Shropshire) |
Nd |
|
Synorisporites |
Synorisporites downtonensis
|
Northern Hemisphere |
Gorstian |
|
Synorisporites |
Synorisporites downtonensis
|
Northern Hemisphere |
Early Downtonian |
|
Synorisporites |
Synorisporites downtonensis
|
England(Shropshire) |
Nd |
|
Synorisporites |
Synorisporites downtonensis
|
England(Worcestershire) |
Nd |
|
Synorisporites |
Synorisporites downtonensis
|
England(Herefordshire) |
Nd |
|
Synorisporites |
Synorisporites libycus
|
Northern Hemisphere |
Late Homerian |
Early Downtonian |
Synorisporites |
Synorisporites libycus
|
Libya |
Nd |
|
Synorisporites |
Synorisporites tripapillatus
|
Northern Hemisphere |
Downtonian |
Early Gedinnian |
Synorisporites |
Synorisporites tripapillatus
|
England(Worcestershire) |
Nd |
|
Synorisporites |
Synorisporites tripapillatus
|
England(Herefordshire) |
Nd |
|
Synorisporites |
Synorisporites verrucatus
|
Northern Hemisphere |
Homerian |
Early Downtonian |
Synorisporites |
Synorisporites verrucatus
|
Northern Hemisphere |
Late Homerian |
Early Downtonian |