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 Nd Nd
Hystrichosphaeridium Hystrichosphaeridium aculeatum Nd Early Ordovician
Hystrichosphaeridium Hystrichosphaeridium annulatum USSR(Pre-Baltic) Early Ordovician
Hystrichosphaeridium Hystrichosphaeridium apiculatum Nd Early Ordovician
Hystrichosphaeridium Hystrichosphaeridium arrectum USSR(Pre-Baltic) Early Ordovician Middle Ordovician
Hystrichosphaeridium Hystrichosphaeridium astarte Nd Late Givetian
Hystrichosphaeridium Hystrichosphaeridium asteroideum Nd Late Cretaceous
Hystrichosphaeridium Hystrichosphaeridium atavum USSR Cambrian
Hystrichosphaeridium Hystrichosphaeridium baciferum Nd Late Ordovician
Hystrichosphaeridium Hystrichosphaeridium balticum Nd Early Ordovician
Hystrichosphaeridium Hystrichosphaeridium bimarginatum Nd Early Ordovician
Hystrichosphaeridium Hystrichosphaeridium bohemicum Nd Silurian
Hystrichosphaeridium Hystrichosphaeridium borracherosum Nd Ludlovian
Hystrichosphaeridium Hystrichosphaeridium brevifurcatum Nd Late Llandoverian
Hystrichosphaeridium Hystrichosphaeridium brevispinosum Nd Silurian
Hystrichosphaeridium Hystrichosphaeridium brevispinosum Nd Silurian
Hystrichosphaeridium Hystrichosphaeridium brevispinosum Nd Late Givetian