Genus Polysphaeridium

Species total:
82
Age range:
230 - 0 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Polysphaeridium parvum Miocene Miocene
Polysphaeridium pastielsii Cenomanian Late Neogene
Polysphaeridium paulinae Bajocian Bajocian
Polysphaeridium perovatum Early Cretaceous Early Cretaceous
Polysphaeridium polypes Cretaceous Cretaceous
Polysphaeridium pseudocolligerum Eocene Early Miocene
Polysphaeridium pumilum Late Hauterivian Early Danian
Polysphaeridium punctatum Maastrichtian Maastrichtian
Polysphaeridium rhabdophorum Cretaceous Maastrichtian
Polysphaeridium sarjeantii Barremian Barremian
Polysphaeridium simplex Late Cretaceous Middle Miocene
Polysphaeridium sp Early Toarcian Pleistocene
Polysphaeridium sp. Kar,1979 Oligocene Oligocene
Polysphaeridium sp. Mart.,1993 Middle Oligocene Late Oligocene
Polysphaeridium sp. Sala.,1991 Campanian Maastrichtian
Polysphaeridium sp. Saxe.& Rao,1984 Early Miocene Early Miocene
Polysphaeridium sp. Schu.& Chat.,1976 Early Landenian Early Landenian