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 tuberosum Nd Givetian
Baltisphaeridium Baltisphaeridium turbinatum Nd Albian
Baltisphaeridium Baltisphaeridium tuvinum Nd Wenlockian
Baltisphaeridium Baltisphaeridium twistringiense Nd Middle Miocene
Baltisphaeridium Baltisphaeridium tylacanthum Nd Early Ordovician
Baltisphaeridium Baltisphaeridium uncinatum Nd Early Ordovician
Baltisphaeridium Baltisphaeridium unguisum USSR(Pre-Baltic) Late Cambrian
Baltisphaeridium Baltisphaeridium unicuspidatum Nd Middle Cambrian
Baltisphaeridium Baltisphaeridium unilaterale Nd Cambrian
Baltisphaeridium Baltisphaeridium urticans Nd Famennian
Baltisphaeridium Baltisphaeridium valentinum Nd Middle Siegenian Emsian
Baltisphaeridium Baltisphaeridium varians Nd Tarannon
Baltisphaeridium Baltisphaeridium variopinnum Nd Ludlovian Early Gedinnian
Baltisphaeridium Baltisphaeridium variopinnum Nd Ludlovian Emsian
Baltisphaeridium Baltisphaeridium varispinosum Nd Callovian
Baltisphaeridium Baltisphaeridium varium Nd Early Cambrian
Baltisphaeridium Baltisphaeridium varsoviense Nd Ordovician