Periplecotriletes |
Periplecotriletes tortus
|
Canada(Arctic) |
Nd |
|
Perotrilites |
Perotrilites bifurcatus
|
Northern Hemisphere |
Eifelian |
Early Frasnian |
Perotrilites |
Perotrilites bifurcatus
|
Scotland(Ross/Cromarty) |
Nd |
|
Perotrilites |
Perotrilites conatus
|
Nd |
Late Eifelian |
Early Frasnian |
Perotrilites |
Perotrilites conatus
|
Scotland(Ross/Cromarty) |
Nd |
|
Perotrilites |
Perotrilites heclaensis
|
Nd |
Givetian |
|
Perotrilites |
Perotrilites heclaensis
|
Canada(Arctic) |
Nd |
|
Perotrilites |
Perotrilites microbaculatus
|
Northern Hemisphere |
Gedinnian |
|
Perotrilites |
Perotrilites microbaculatus
|
England(Shropshire) |
Nd |
|
Raistrickia |
Raistrickia corynoges
|
Nd |
Early Tournaisian |
|
Raistrickia |
Raistrickia corynoges
|
S.Ireland(Wexford) |
Nd |
|
Raistrickia |
Raistrickia variabilis
|
Nd |
Late Famennian |
Early Tournaisian |
Raistrickia |
Raistrickia variabilis
|
S.Ireland(Wexford) |
Nd |
|
Retispora |
Retispora archaeolepidophyta
|
Nd |
Late Eifelian |
Givetian |
Retispora |
Retispora archaeolepidophyta
|
Scotland(Ross/Cromarty) |
Nd |
|
Retispora |
Retispora cassicula
|
Nd |
Late Famennian |
Early Tournaisian |
Retispora |
Retispora cassicula
|
S.Ireland(Wexford) |
Nd |
|