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Genus Hystrichosphaeridium

Species total:
513
Age range:
4100 - 0 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Hystrichosphaeridium aquitanicum Tremadocian Albian
Hystrichosphaeridium anthophorum Middle Ordovician Albian
Hystrichosphaeridium sp.A Brid.,1971 Albian Late Albian
Hystrichosphaeridium sp.B Habi.,1972 Late Hauterivian Early Cenomanian
Hystrichosphaeridium type 411 Late Albian Early Cenomanian
Hystrichosphaeridium sp. Balt.,1969 Late Hauterivian Early Cenomanian
Hystrichosphaeridium type 459 Late Albian Early Cenomanian
Hystrichosphaeridium monstruosum Early Ordovician Early Cenomanian
Hystrichosphaeridium sp.A Buja.& Will.,1978 Albian Cenomanian
Hystrichosphaeridium maranhense Mesozoic Cenomanian
Hystrichosphaeridium raritanianum Cenomanian Early Turonian
Hystrichosphaeridium sp. Ghos.& Luko.,1967 Late Jurassic Middle Cretaceous
Hystrichosphaeridium eccentrum Neocomian Middle Turonian
Hystrichosphaeridium mantellii Late Jurassic Turonian
Hystrichosphaeridium saxoniensis Cenomanian Turonian
Hystrichosphaeridium huguoniotii Cretaceous Turonian
Hystrichosphaeridium minus Late Devonian Early Senonian