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
Google Academy:
try to search by title in english
Genus Species Country(Region) From To
Baltisphaeridium Baltisphaeridium piriferum Nd Late Llandoverian
Baltisphaeridium Baltisphaeridium placacanthum Nd Miocene
Baltisphaeridium Baltisphaeridium plicatispinae Nd Ordovician
Baltisphaeridium Baltisphaeridium plicatum Nd Oligocene
Baltisphaeridium Baltisphaeridium plicatum Nd Early Ordovician
Baltisphaeridium Baltisphaeridium podboroviscense Nd Late Arenigian
Baltisphaeridium Baltisphaeridium polyceratum Nd Oligocene
Baltisphaeridium Baltisphaeridium polygonale Nd Silurian
Baltisphaeridium Baltisphaeridium polygonale Nd Ordovician
Baltisphaeridium Baltisphaeridium polyozon Nd Late Oligocene
Baltisphaeridium Baltisphaeridium polytrichum Nd Late Bathonian
Baltisphaeridium Baltisphaeridium primarium Nd Early Cambrian
Baltisphaeridium Baltisphaeridium protensum Nd Late Cambrian
Baltisphaeridium Baltisphaeridium pseudhystrichodinium Nd Late Cretaceous
Baltisphaeridium Baltisphaeridium pseudhystrichodinium Nd Paleocene
Baltisphaeridium Baltisphaeridium pseudhystrichodinium Nd Late Cretaceous
Baltisphaeridium Baltisphaeridium pseudocalicispinum Nd Llanvirnian