Anomaloplaisium |
Anomaloplaisium johnsium
|
Africa(N.Africa) |
Ludlovian |
|
Baltisphaeridium |
Baltisphaeridium areolatum
|
Tunisia |
Ludlovian |
|
Baltisphaeridium |
Baltisphaeridium areolatum
|
Africa(N.Africa) |
Ludlovian |
|
Baltisphaeridium |
Baltisphaeridium areolatum
|
Africa(N.Africa) |
Ludlovian |
|
Baltisphaeridium |
Baltisphaeridium areolatum
|
Africa(N.Africa) |
Ludlovian |
|
Candelasphaeridium |
Candelasphaeridium insolitum
|
Libya |
Lochkovian |
|
Cymbosphaeridium |
Cymbosphaeridium pilar
|
Libya |
Pridolian |
|
Deflandrastrum |
Deflandrastrum
|
Africa(N.Africa) |
Ludlovian |
|
Demorhethium |
Demorhethium lappaceum
|
France |
Lochkovian |
|
Deunffia |
Deunffia eisenackii
|
Illinois |
Ludlovian |
|
Deunffia |
Deunffia eisenackii
|
Kentucky |
Ludlovian |
|
Deunffia |
Deunffia eisenackii
|
Michigan |
Ludlovian |
|
Deunffia |
Deunffia eisenackii
|
Missouri |
Ludlovian |
|
Domasia |
Domasia bispinosa
|
Guinea |
Late Ludlovian |
Early Devonian |
Domasia |
Domasia elongata
|
Guinea |
Late Ludlovian |
Early Devonian |
Downiea |
Downiea argentina
|
Argentina(San Juan) |
Late Silurian |
|
Downiea |
Downiea copoana
|
Argentina(San Juan) |
Late Silurian |
|