Onondagella |
Onondagella cylindrica
sp. nov. |
Algeria |
Ludlovian |
|
Polyedryxium |
Polyedryxium asperum
|
Nd |
Nd |
|
Polyedryxium |
Polyedryxium pharaone
|
Canada(Ontario) |
Early Devonian |
|
Polyedryxium |
Polyedryxium pharaone
|
Algeria |
Emsian |
Frasnian |
Pterospermopsis |
Pterospermopsis circumstriata
sp. nov. |
Algeria |
Emsian |
|
Schizocystia |
Schizocystia pilosa
sp. nov. |
Algeria |
Gedinnian |
Siegenian |
Stellinium |
Stellinium
|
Algeria |
Emsian |
Frasnian |
Stellinium |
Stellinium octoaster
|
Algeria |
Emsian |
Frasnian |
Stellinium |
Stellinium octoaster
sp. nov. |
Algeria |
Middle Devonian |
|
Tetraporina |
Tetraporina horologia
|
Algeria |
Famennian |
Early Carboniferous |
Triangulina |
Triangulina alargada
|
Algeria |
Ludlovian |
Gedinnian |
Triangulina |
Triangulina sp. Jard.& Yapa.,1968
sp. nov. |
Algeria |
Ludlovian |
Gedinnian |
Umbellasphaeridium |
Umbellasphaeridium
|
Algeria |
Late Devonian |
|
Umbellasphaeridium |
Umbellasphaeridium deflandrei
|
Algeria |
Famennian |
Strunian |
Umbellasphaeridium |
Umbellasphaeridium deflandrei
|
France(Rhone) |
Emsian |
|
Umbellasphaeridium |
Umbellasphaeridium saharicum
|
Algeria |
Famennian |
Strunian |
Veryhachium |
Veryhachium octoaster
|
Algeria |
Emsian |
Frasnian |