Calyptosporites |
Calyptosporites velatus
|
Canada(Arctic) |
Givetian |
|
Calyptosporites |
Calyptosporites velatus
|
Canada(Arctic) |
Givetian |
|
Camarozonotriletes |
Camarozonotriletes parvus
|
Canada(Arctic) |
Givetian |
|
Camptozonotriletes |
Camptozonotriletes aliquantus
|
Spitsbergen |
Emsian |
|
Chelinospora |
Chelinospora
|
Spitsbergen |
Emsian |
Eifelian |
Chelinospora |
Chelinospora perforata
|
Spitsbergen |
Emsian |
|
Chitinozoans |
Chitinozoans
|
Algeria |
Gedinnian |
|
Cingulatizonates |
Cingulatizonates communis
|
France(Maine-et-Loire) |
Middle Siegenian |
Late Siegenian |
Cirratriradites |
Cirratriradites
|
Germany |
Late Emsian |
|
Cirratriradites |
Cirratriradites dissutus
|
Spitsbergen |
Siegenian |
|
Contagisporites |
Contagisporites optivus
|
Canada(Arctic) |
Frasnian |
|
Convolutispora |
Convolutispora
|
Canada(NWT) |
Middle Frasnian |
|
Corystisporites |
Corystisporites multispinosus
|
Scotland |
Givetian |
|
Corystisporites |
Corystisporites multispinosus
|
Canada |
Late Emsian |
|
Corystisporites |
Corystisporites multispinosus
|
W.Germany |
Eifelian |
|
Cyclogranisporites |
Cyclogranisporites plicatus
|
Spitsbergen |
Late Downtonian |
Dittonian |
Cyclogranisporites |
Cyclogranisporites plicatus
|
France(Maine-et-Loire) |
Middle Siegenian |
Late Siegenian |