Comasphaeridium |
Comasphaeridium pululiferum
|
Australia(W.Australia) |
Early Ordovician |
|
Comasphaeridium |
Comasphaeridium radians
|
Belgium |
Silurian |
|
Comasphaeridium |
Comasphaeridium regulare
|
China |
Early Cambrian |
|
Comasphaeridium |
Comasphaeridium sequestratum
|
New York |
Wenlockian |
|
Comasphaeridium |
Comasphaeridium simplex
|
Canada(Ontario) |
Wenlockian |
|
Comasphaeridium |
Comasphaeridium solare
|
Morocco |
Early Ordovician |
|
Comasphaeridium |
Comasphaeridium solidispinosum
|
Morocco |
Early Ordovician |
|
Comasphaeridium |
Comasphaeridium spinatum
|
China |
Late Eocene |
Oligocene |
Comasphaeridium |
Comasphaeridium spinosum
|
Poland |
Early Cambrian |
|
Comasphaeridium |
Comasphaeridium strigosum
|
USSR(Lithuanian SSR) |
Early Cambrian |
|
Comasphaeridium |
Comasphaeridium taleum
|
Ohio |
Late Devonian |
|
Comasphaeridium |
Comasphaeridium tonsum
|
Morocco |
Early Ordovician |
|
Comasphaeridium |
Comasphaeridium velvetum
|
Poland |
Middle Cambrian |
|
Comasphaeridium |
Comasphaeridium villosum
|
Australia(W.Australia) |
Early Devonian |
|
Comasphaeridium |
Comasphaeridium villosum
|
USSR(Ukrainian SSR) |
Early Cambrian |
|
Comasphaeridium |
Comasphaeridium whitei
|
Nd |
Nd |
|
Comasphaeridium |
Comasphaeridium williereae
|
Nd |
Nd |
|