Genus Cleistosphaeridium

Species total:
135
Age range:
230 - 0 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Cleistosphaeridium paucifurcatum Paleocene Paleocene
Cleistosphaeridium pectiniforme Late Eocene Miocene
Cleistosphaeridium perforoconum Turonian Santonian
Cleistosphaeridium pilosum Late Jurassic Late Jurassic
Cleistosphaeridium placacanthum Middle Eocene Middle Miocene
Cleistosphaeridium polyacanthum Callovian Early Barremian
Cleistosphaeridium polyozon Late Oligocene Late Oligocene
Cleistosphaeridium polyozum Nd Nd
Cleistosphaeridium polypes Bajocian Late Miocene
Cleistosphaeridium polypetellum Early Eocene Middle Eocene
Cleistosphaeridium polytrichum Late Pliensbachian Late Oligocene
Cleistosphaeridium radiculopse Late Cenomanian Maastrichtian
Cleistosphaeridium regulatum Middle Oligocene Middle Oligocene
Cleistosphaeridium reticuloidium Oligocene Oligocene
Cleistosphaeridium sarmentum Late Callovian Early Oxfordian
Cleistosphaeridium selseyense Early Eocene Middle Eocene
Cleistosphaeridium separatum Ryazanian Middle Valanginian