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Genus Hystrichosphaeridium

Species total:
513
Age range:
4100 - 0 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Hystrichosphaeridium rhabdophorum Senonian Senonian
Hystrichosphaeridium microtriainum Senonian Early Oligocene
Hystrichosphaeridium scissospinum Early Santonian Early Santonian
Hystrichosphaeridium sp.1 Zait.& Cros.,1970 Early Santonian Early Santonian
Hystrichosphaeridium sp.A Dave.,1978 Teratan Piripauan
Hystrichosphaeridium parvum Campanian Eocene
Hystrichosphaeridium floripes Campanian Middle Oligocene
Hystrichosphaeridium sp.1 Stre.et al,1977 Late Campanian Early Maastrichtian
Hystrichosphaeridium sp.2 Stre.et al,1977 Late Campanian Early Maastrichtian
Hystrichosphaeridium proprium Late Campanian Late Maestrichtian
Hystrichosphaeridium sp.1 HNH Late Campanian Late Campanian
Hystrichosphaeridium sp.3 HNH Late Campanian Late Campanian
Hystrichosphaeridium sp.3 Stre.et al,1977 Late Campanian Early Maastrichtian
Hystrichosphaeridium sp. Salu.& Kind.,1981 Maastrichtian Danian
Hystrichosphaeridium sp.A Drug.,1967 Maastrichtian Danian
Hystrichosphaeridium tenuitubatum Early Maastrichtian Early Maastrichtian
Hystrichosphaeridium machaerophorum Maastrichtian Middle Miocene