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 oligofurcatum Nd Late Llandoverian
Hystrichosphaeridium Hystrichosphaeridium oligospinosum Nd Silurian
Hystrichosphaeridium Hystrichosphaeridium ordovicum Nd Early Ordovician
Hystrichosphaeridium Hystrichosphaeridium pateum Nd Early Ordovician
Hystrichosphaeridium Hystrichosphaeridium patriarchum Nd Nd
Hystrichosphaeridium Hystrichosphaeridium picorricum Nd Middle Siegenian Emsian
Hystrichosphaeridium Hystrichosphaeridium piriferum Nd Late Llandoverian
Hystrichosphaeridium Hystrichosphaeridium polygonale Nd Silurian
Hystrichosphaeridium Hystrichosphaeridium polyradiatum USSR(Russian Platform) Middle Ordovician
Hystrichosphaeridium Hystrichosphaeridium pterophorum Nd Late Cretaceous
Hystrichosphaeridium Hystrichosphaeridium pumile Nd Late Cretaceous
Hystrichosphaeridium Hystrichosphaeridium quadridactylites Nd Frasnian
Hystrichosphaeridium Hystrichosphaeridium quadriradiatum Nd Early Ordovician
Hystrichosphaeridium Hystrichosphaeridium ramusculosum Nd Silurian
Hystrichosphaeridium Hystrichosphaeridium ramusculosum Canada Middle Devonian
Hystrichosphaeridium Hystrichosphaeridium ramusculosum Nd Silurian
Hystrichosphaeridium Hystrichosphaeridium rigens Nd Early Ordovician