Cymatiosphaera |
Cymatiosphaera labyrinthica
|
Algeria |
Early Frasnian |
Middle Frasnian |
Cymatiosphaera |
Cymatiosphaera multisepta
|
Algeria |
Late Givetian |
Middle Frasnian |
Cymatiosphaera |
Cymatiosphaera perimembrana
|
Algeria |
Famennian |
Strunian |
Cymatiosphaera |
Cymatiosphaera velicarina
|
Algeria |
Early Frasnian |
Middle Frasnian |
Cymbosphaeridium |
Cymbosphaeridium pilar
|
Algeria |
Pridolian |
|
Cymbosphaeridium |
Cymbosphaeridium pilar
|
Algeria |
Pridolian |
Pridolian |
Cymbosphaeridium |
Cymbosphaeridium pilar
|
Algeria |
Pridolian |
Pridolian |
Cymbosporites |
Cymbosporites cyathus
|
Algeria |
Late Givetian |
Early Frasnian |
Cymbosporites |
Cymbosporites magnificus
|
Algeria |
Late Givetian |
Early Frasnian |
Cymbosporites |
Cymbosporites verrucosus
|
Algeria |
Pridolian |
|
Diatomozonotriletes |
Diatomozonotriletes franklinii
|
Algeria |
Early Eifelian |
|
Diatomozonotriletes |
Diatomozonotriletes oligodontus
|
Algeria |
Emsian |
|
Dibolisporites |
Dibolisporites echinaceus
|
Algeria |
Emsian |
|
Dibolisporites |
Dibolisporites variverrucatus
|
Algeria |
Emsian |
|
Dictyotidium |
Dictyotidium confragum
|
Algeria |
Late Givetian |
Middle Frasnian |
Dictyotriletes |
Dictyotriletes fimbriatus
|
Algeria |
Late Famennian |
|
Duvernaysphaera |
Duvernaysphaera radiata
|
Algeria |
Late Givetian |
Strunian |