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
Ovulum Ovulum Nd Nd
Ovulum Ovulum lanceolatum USSR(Baltic) Early Cambrian
Ovulum Ovulum punctatum Finland Ordovician
Ovulum Ovulum saccatum USSR(Baltic) Early Cambrian
Ovum Ovum Nd Nd
Ovum Ovum hispidum Nd Silurian
Ovum Ovum hispidum Nd Silurian
Ovum Ovum hispidum Nd Silurian
Ovum Ovum hispidum Nd Silurian
Ovum Ovum hispidum Nd Silurian
Ovum Ovum hispidum Nd Ordovician
Ovum Ovum hispidum Nd Silurian
Ovum Ovum hispidum Nd Early Caradocian
Ovum Ovum hispidum Nd Silurian
Ovum Ovum hispidum Nd Ordovician
Ovum hispidum Ovum hispidum Nd Nd
Ovum Ovum medium Nd Silurian