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
Baltisphaeridium Baltisphaeridium peltatum Nd Ludlovian Emsian
Baltisphaeridium Baltisphaeridium pentagonum Nd Late Cambrian
Baltisphaeridium Baltisphaeridium pequenhum Nd Late Wenlockian
Baltisphaeridium Baltisphaeridium perclarum Nd Ashgillian
Baltisphaeridium Baltisphaeridium perpaucispinum Nd Middle Ordovician
Baltisphaeridium Baltisphaeridium perrarum Nd Vendian
Baltisphaeridium Baltisphaeridium pilar Nd Ludlovian
Baltisphaeridium Baltisphaeridium pilar Nd Silurian
Baltisphaeridium Baltisphaeridium pilar Nd Silurian
Baltisphaeridium Baltisphaeridium piliferum Nd Frasnian
Baltisphaeridium Baltisphaeridium pilosiusculum Nd Early Cambrian
Baltisphaeridium Baltisphaeridium pilosum Nd Oxfordian
Baltisphaeridium Baltisphaeridium pilosum Nd Early Oxfordian
Baltisphaeridium Baltisphaeridium pilosum Nd Oxfordian
Baltisphaeridium Baltisphaeridium piriferum Nd Late Llandoverian
Baltisphaeridium Baltisphaeridium piriferum Nd Silurian
Baltisphaeridium Baltisphaeridium piriferum Nd Silurian