Genus Polysphaeridium

Species total:
82
Age range:
230 - 0 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Polysphaeridium sp.3 Maastrichtian Maastrichtian
Polysphaeridium perovatum Early Cretaceous Early Cretaceous
Polysphaeridium taiwanianum Miocene Miocene
Polysphaeridium punctatum Maastrichtian Maastrichtian
Polysphaeridium sp. Saxe.& Rao,1984 Early Miocene Early Miocene
Polysphaeridium variabile Paleocene Paleocene
Polysphaeridium tribrachiosum Early Cretaceous Early Cretaceous
Polysphaeridium amalthei Pliensbachian Pliensbachian
Polysphaeridium parvum Miocene Miocene
Polysphaeridium lemniscatum Early Tertiary Early Tertiary
Polysphaeridium pachydermum Nd Nd
Polysphaeridium sulaimanii Late Jurassic Late Jurassic
Polysphaeridium tianshanense Paleocene Paleocene
Polysphaeridium paulinae Bajocian Bajocian
Polysphaeridium sp.A Yun,1987 Miocene Miocene
Polysphaeridium follium Early Cretaceous Early Cretaceous
Polysphaeridium microtriainum Lutetian Lutetian