Genus Tanyosphaeridium

Species total:
40
Age range:
230 - 0 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Tanyosphaeridium sp.DE Brid.,1977 Early Valanginian Early Hauterivian
Tanyosphaeridium sp.I Manu.,1976 Middle Oligocene Late Oligocene
Tanyosphaeridium tenerum Eocene Late Oligocene
Tanyosphaeridium toryna Late Oxfordian Early Kimmeridgian
Tanyosphaeridium variecalamum Oxfordian Miocene
Tanyosphaeridium xanthiopyxides Barremian Ypresian