Genus Hystrichosphaeridium

Species total:
513
Age range:
4100 - 0 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Hystrichosphaeridium sp.8 Devonian Devonian
Hystrichosphaeridium sp.9 Devonian Late Neogene
Hystrichosphaeridium sp.A Late Devonian Middle Eocene
Hystrichosphaeridium sp.A Brid.,1971 Albian Late Albian
Hystrichosphaeridium sp.A Buja.& Will.,1978 Albian Cenomanian
Hystrichosphaeridium sp.A Cook.,1953 Miocene Miocene
Hystrichosphaeridium sp.A Crou.& Holl.,2000 Nd Nd
Hystrichosphaeridium sp.A Dave.,1978 Teratan Piripauan
Hystrichosphaeridium sp.A Drug.,1967 Maastrichtian Danian
Hystrichosphaeridium sp.A Habi.,1972 Early Jurassic Barremian
Hystrichosphaeridium sp.A Rawa.,1966 Late Jurassic Late Jurassic
Hystrichosphaeridium sp.A Salu.et al,1969 Early Eocene Early Eocene
Hystrichosphaeridium sp.A Sriv.& Bane.,1969 Eocene Oligocene
Hystrichosphaeridium sp.A Volk.& Quat.,1981 Callovian Callovian
Hystrichosphaeridium sp.AE Early Cretaceous Early Cretaceous
Hystrichosphaeridium sp.B Late Devonian Miocene
Hystrichosphaeridium sp.B Drug.,1967 Danian Danian