Cymatiosphaera |
Cymatiosphaera tetraster
|
France |
Givetian |
Late Devonian |
Cymatiosphaera |
Cymatiosphaera tetraster
|
Brazil |
Givetian |
Late Devonian |
Cymatiosphaera |
Cymatiosphaera tetraster
|
Europe |
Givetian |
Late Devonian |
Cymatiosphaera |
Cymatiosphaera tetraster
|
Canada |
Givetian |
Late Devonian |
Cymbosphaeridium |
Cymbosphaeridium
|
Algeria |
Ludlovian |
Gedinnian |
Cymbosphaeridium |
Cymbosphaeridium bikidium
|
Europe |
Ludlovian |
|
Cymbosphaeridium |
Cymbosphaeridium bikidium
|
Canada |
Ludlovian |
|
Cymbosphaeridium |
Cymbosphaeridium pilar
|
Algeria |
Ludlovian |
|
Cymbosphaeridium |
Cymbosphaeridium pilar
|
Spain |
Ludlovian |
Gedinnian |
Cymbosphaeridium |
Cymbosphaeridium pilar
|
France |
Ludlovian |
Gedinnian |
Cymbosphaeridium |
Cymbosphaeridium pilar
|
Brazil |
Ludlovian |
Gedinnian |
Cymbosphaeridium |
Cymbosphaeridium pilar
|
Europe |
Ludlovian |
Gedinnian |
Cymbosphaeridium |
Cymbosphaeridium pilar
|
Canada |
Ludlovian |
Gedinnian |
Dactylofusa |
Dactylofusa maranhensis
|
Brazil |
Ludlovian |
|
Deflandrastrum |
Deflandrastrum
|
Algeria |
Ludlovian |
Gedinnian |
Deflandrastrum |
Deflandrastrum
|
Spain |
Ludlovian |
Gedinnian |
Deflandrastrum |
Deflandrastrum
|
France |
Ludlovian |
Gedinnian |