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 trifurcatum Nd Middle Ordovician
Baltisphaeridium Baltisphaeridium trifurcatum Nd Middle Ordovician
Baltisphaeridium Baltisphaeridium trifurcatum Nd Middle Ordovician
Baltisphaeridium Baltisphaeridium trifurcatum Nd Early Ordovician
Baltisphaeridium Baltisphaeridium trifurcatum Nd Late Givetian
Baltisphaeridium Baltisphaeridium trifurcatum Nd Ordovician
Baltisphaeridium Baltisphaeridium trifurcatum Nd Ordovician
Baltisphaeridium Baltisphaeridium triplicativum Nd Early Ordovician
Baltisphaeridium Baltisphaeridium triplodermum Nd Gedinnian Emsian
Baltisphaeridium Baltisphaeridium tripodes Nd Holocene
Baltisphaeridium Baltisphaeridium triradiatum Nd Middle Ordovician
Baltisphaeridium Baltisphaeridium trispinosum Nd Silurian
Baltisphaeridium Baltisphaeridium trophirhapium Nd Llandeilian
Baltisphaeridium Baltisphaeridium truncatum Nd Late Devonian
Baltisphaeridium Baltisphaeridium tschunense Nd Middle Ordovician
Baltisphaeridium Baltisphaeridium tuberatum Nd Early Ordovician
Baltisphaeridium Baltisphaeridium tuberculatum Nd Early Cambrian