Genus Hystrichosphaeridium

Species total:
513
Age range:
4100 - 0 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Hystrichosphaeridium sp.A Salu.et al,1969 Early Eocene Early Eocene
Hystrichosphaeridium bahiaense Eocene Miocene
Hystrichosphaeridium sp.D Salu.et al,1969 Early Eocene Early Eocene
Hystrichosphaeridium sp.B Salu.et al,1969 Early Eocene Early Eocene
Hystrichosphaeridium sp.A Sriv.& Bane.,1969 Eocene Oligocene
Hystrichosphaeridium sergipense Early Eocene Early Eocene
Hystrichosphaeridium sp.3 Math.,1964 Eocene Eocene
Hystrichosphaeridium sp.2 Math.,1964 Eocene Eocene
Hystrichosphaeridium sheppeyense Eocene Middle Eocene
Hystrichosphaeridium sp.E Sriv.& Bane.,1969 Eocene Oligocene
Hystrichosphaeridium lateraliprocessum Early Eocene Oligocene
Hystrichosphaeridium sp.D Sriv.& Bane.,1969 Eocene Oligocene
Hystrichosphaeridium sp.C Cook.,1953 Early Eocene Early Eocene
Hystrichosphaeridium sp.B Sriv.& Bane.,1969 Eocene Oligocene
Hystrichosphaeridium sp.1 Math.,1963 Eocene Eocene
Hystrichosphaeridium sp.C Sriv.& Bane.,1969 Eocene Oligocene
Hystrichosphaeridium dictyostilum Eocene Oligocene