Author:
Fensome,R.A.;Williams,G.L.;Barss,M.S.;Freeman,J.M.;Hill,J.M.
Year:
1990
Title:
Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa.
Reference:
Fensome,R.A. et al. (1990) Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. American Association of Stratigraphic Palynologists, Contributions Series # 25 P. 1- 771
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Genus Species Country(Region) From To
Hystrichosphaeridium Hystrichosphaeridium rjabininii Nd Early Ordovician
Hystrichosphaeridium Hystrichosphaeridium robustum Nd Late Givetian
Hystrichosphaeridium Hystrichosphaeridium robustum W.Germany(Bavaria) Late Givetian
Hystrichosphaeridium Hystrichosphaeridium robustum Nd Late Givetian
Hystrichosphaeridium Hystrichosphaeridium semanticum Nd Silurian
Hystrichosphaeridium Hystrichosphaeridium seminudum Nd Danian
Hystrichosphaeridium Hystrichosphaeridium setigerfurcatum Nd Early Ordovician
Hystrichosphaeridium Hystrichosphaeridium sexradiatum Nd Early Ordovician
Hystrichosphaeridium Hystrichosphaeridium sibiricum Nd Late Ordovician
Hystrichosphaeridium Hystrichosphaeridium siluricum Nd Ludlovian
Hystrichosphaeridium Hystrichosphaeridium spiciferum Nd Middle Devonian
Hystrichosphaeridium Hystrichosphaeridium spiculare Nd Arenigian Caradocian
Hystrichosphaeridium Hystrichosphaeridium spiculatum Nd Late Cretaceous
Hystrichosphaeridium Hystrichosphaeridium spinescens Nd Early Ordovician
Hystrichosphaeridium Hystrichosphaeridium staurasteroides Nd Wenlockian
Hystrichosphaeridium Hystrichosphaeridium stellaeforme Nd Early Ordovician
Hystrichosphaeridium Hystrichosphaeridium stimuliferum Nd Late Jurassic