Genus Filisphaeridium

Species total:
106
Age range:
2600 - 1.8 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Filisphaeridium Tremadocian Tertiary
Filisphaeridium annolovaense Middle Cambrian Middle Cambrian
Filisphaeridium araiothriches Late Devonian Late Devonian
Filisphaeridium ariakense Pleistocene Pleistocene
Filisphaeridium asagaiense Oligocene Oligocene
Filisphaeridium aspersum Paleogene Oligocene
Filisphaeridium bacillum Middle Ordovician Middle Ordovician
Filisphaeridium baculatum Paleocene Middle Oligocene
Filisphaeridium balmei Early Triassic Early Triassic
Filisphaeridium bifurcatum Wenlockian Wenlockian
Filisphaeridium bigotii Middle Jurassic Middle Jurassic
Filisphaeridium brachyspinosum Early Cambrian Early Cambrian
Filisphaeridium breviciliatum Late Devonian Late Devonian
Filisphaeridium brevicornum Early Cambrian Early Cambrian
Filisphaeridium brevifilicum Middle Ordovician Middle Ordovician
Filisphaeridium brevispinosum Llanvirnian Early Siegenian
Filisphaeridium bullosum Jurassic Lutetian