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 alpernii Nd Late Devonian
Baltisphaeridium Baltisphaeridium ancyreum Nd Late Llandoverian
Baltisphaeridium Baltisphaeridium andrewsii Nd Frasnian
Baltisphaeridium Baltisphaeridium anfractum Nd Emsian
Baltisphaeridium Baltisphaeridium angulosum Danian
Baltisphaeridium Baltisphaeridium aniae Nd Middle Llandoverian Late Llandoverian
Baltisphaeridium Baltisphaeridium annelieae Nd Middle Ordovician
Baltisphaeridium Baltisphaeridium annulatum Nd Early Ordovician
Baltisphaeridium Baltisphaeridium antiquum Nd Early Gothlandian
Baltisphaeridium Baltisphaeridium apertum Nd Late Llanvirnian
Baltisphaeridium Baltisphaeridium apiculatum Nd Early Ordovician
Baltisphaeridium Baltisphaeridium arbusculiferum Nd Wenlockian
Baltisphaeridium Baltisphaeridium archaicum Nd Early Llandoverian
Baltisphaeridium Baltisphaeridium arcuatum Nd Late Arenigian
Baltisphaeridium Baltisphaeridium areolatum Nd Late Gothlandian
Baltisphaeridium Baltisphaeridium areolatum Nd Late Gothlandian
Baltisphaeridium Baltisphaeridium areolatum Nd Late Gothlandian