Genus Bion

Species total:
15
Age range:
4100 - 395 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Bion Late Precambrian Early Cambrian
Bion ramosum Middle Ordovician Late Ordovician
Bion cruciferum Early Riphean Silurian
Bion baciferum Nd Nd
Bion perivelatum Pridolian Pridolian
Bion sp Ludlovian Ludlovian
Bion megacystis Silurian Silurian
Bion fluctuans Silurian Silurian
Bion microcystis Precambriam Precambriam
Bion perforata Early Llandoverian Early Llandoverian
Bion solidum Early Paleozoic Early Paleozoic
Bion navis Silurian Silurian
Bion pelagicum Early Oligocene Early Oligocene
Bion bacifer Ordovician Ordovician
Bion media Llandeilian Llandeilian