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Genus Hystrichosphaeridium

Species total:
513
Age range:
4100 - 0 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Hystrichosphaeridium sp.B Habi.,1972 Late Hauterivian Early Cenomanian
Hystrichosphaeridium sp.B Rawa.,1966 Late Jurassic Late Jurassic
Hystrichosphaeridium sp.B Salu.et al,1969 Early Eocene Early Eocene
Hystrichosphaeridium sp.B Sriv.& Bane.,1969 Eocene Oligocene
Hystrichosphaeridium sp.BE Hauterivian Barremian
Hystrichosphaeridium sp.C Jurassic Middle Eocene
Hystrichosphaeridium sp.C Cook.,1953 Early Eocene Early Eocene
Hystrichosphaeridium sp.C Drug.,1967 Danian Danian
Hystrichosphaeridium sp.C Rawa.,1966 Late Jurassic Late Jurassic
Hystrichosphaeridium sp.C Salu.et al,1969 Early Eocene Early Eocene
Hystrichosphaeridium sp.C Sriv.& Bane.,1969 Eocene Oligocene
Hystrichosphaeridium sp.Ca Late Callovian Early Oxfordian
Hystrichosphaeridium sp.D Albian Middle Eocene
Hystrichosphaeridium sp.D Salu.et al,1969 Early Eocene Early Eocene
Hystrichosphaeridium sp.D Sriv.& Bane.,1969 Eocene Oligocene
Hystrichosphaeridium sp.E Early Eocene Early Eocene
Hystrichosphaeridium sp.E Salu.et al,1969 Early Eocene Early Eocene