Filisphaeridium |
Filisphaeridium balmei
|
Pakistan |
Early Triassic |
|
Filisphaeridium |
Filisphaeridium bifurcatum
|
Nd |
Nd |
|
Filisphaeridium |
Filisphaeridium bigotii
|
France |
Middle Jurassic |
|
Filisphaeridium |
Filisphaeridium brachyspinosum
|
USSR(Ukrainian SSR) |
Early Cambrian |
|
Filisphaeridium |
Filisphaeridium breviciliatum
|
Canada(Alberta) |
Late Devonian |
|
Filisphaeridium |
Filisphaeridium brevicornum
|
USSR(Lithuanian SSR) |
Early Cambrian |
|
Filisphaeridium |
Filisphaeridium brevifilicum
|
Sweden |
Middle Ordovician |
|
Filisphaeridium |
Filisphaeridium brevispinosum
|
England |
Late Gothlandian |
|
Filisphaeridium |
Filisphaeridium bullosum
|
Nd |
Nd |
|
Filisphaeridium |
Filisphaeridium caesariatum
|
Ohio |
Late Devonian |
|
Filisphaeridium |
Filisphaeridium capillatum
|
USSR |
Middle Cambrian |
Late Cambrian |
Filisphaeridium |
Filisphaeridium capillum
|
USSR(Siberia) |
Silurian |
|
Filisphaeridium |
Filisphaeridium castaninum
|
France(Poitou) |
Middle Jurassic |
|
Filisphaeridium |
Filisphaeridium cerinum
|
Poland |
Early Cambrian |
|
Filisphaeridium |
Filisphaeridium ciliforme
|
China(Shansi) |
Early Ordovician |
Middle Ordovician |
Filisphaeridium |
Filisphaeridium commosum
|
USSR(Krasnoyarsk Kray) |
Late Cambrian |
|
Filisphaeridium |
Filisphaeridium confusum
|
Baltic Sea |
Late Cambrian |
|