Riculasphaera |
Riculasphaera fissa
|
Canada |
Gedinnian |
|
Schizocystia |
Schizocystia pilosa
sp. nov. |
Algeria |
Siegenian |
Emsian |
Schizocystia |
Schizocystia pilosa
sp. nov. |
Algeria |
Gedinnian |
Emsian |
Schizocystia |
Schizocystia pilosa
sp. nov. |
France |
Gedinnian |
Emsian |
Schizocystia |
Schizocystia pilosa
sp. nov. |
Brazil |
Gedinnian |
Emsian |
Stellinium |
Stellinium
|
Algeria |
Ludlovian |
Gedinnian |
Stellinium |
Stellinium
|
Brazil |
Ludlovian |
Gedinnian |
Stellinium |
Stellinium
|
France |
Ludlovian |
Gedinnian |
Stellinium |
Stellinium
|
Europe |
Ludlovian |
Gedinnian |
Stellinium |
Stellinium
|
Canada |
Ludlovian |
Gedinnian |
Stellinium |
Stellinium octoaster
sp. nov. |
Algeria |
Emsian |
Givetian |
Stellinium |
Stellinium octoaster
|
Algeria |
Emsian |
Late Devonian |
Stellinium |
Stellinium octoaster
|
Algeria |
Eifelian |
Givetian |
Stellinium |
Stellinium octoaster
|
Algeria |
Siegenian |
Late Devonian |
Stellinium |
Stellinium octoaster
|
France |
Siegenian |
Late Devonian |
Stellinium |
Stellinium octoaster
sp. nov. |
France |
Emsian |
Givetian |
Stellinium |
Stellinium octoaster
sp. nov. |
Brazil |
Emsian |
Givetian |