Genus Polysphaeridium

Species total:
82
Age range:
230 - 0 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Polysphaeridium zoharyi Paleocene Holocene
Polysphaeridium williereae Senonian Senonian
Polysphaeridium williamsii Cenomanian Early Turonian
Polysphaeridium williamsi Cenomanian Paleocene
Polysphaeridium warrenii Berriasian Early Cenomanian
Polysphaeridium vestitum Early Callovian Early Callovian
Polysphaeridium variabile Paleocene Paleocene
Polysphaeridium type 461 Late Albian Early Cenomanian
Polysphaeridium type 460 Late Albian Early Cenomanian
Polysphaeridium trompetum Paleocene Paleocene
Polysphaeridium tribrachiosum Early Cretaceous Early Cretaceous
Polysphaeridium tianshanense Paleocene Paleocene
Polysphaeridium taiwanianum Miocene Miocene
Polysphaeridium sulaimenii Nd Nd
Polysphaeridium sulaimanii Late Jurassic Late Jurassic
Polysphaeridium subtile Albian Zanclean
Polysphaeridium sp.I Late Aptian Early Albian