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
Visbysphaera Visbysphaera erratica Nd Late Ludlovian
Visbysphaera Visbysphaera fecunda Nd Frasnian
Visbysphaera Visbysphaera foliata Nd Nd
Visbysphaera Visbysphaera gotlandica Nd Late Llandoverian
Visbysphaera Visbysphaera impetuosa Nd Early Famennian
Visbysphaera Visbysphaera jardinei Nd Ludlovian Early Gedinnian
Visbysphaera Visbysphaera meson Nd Late Llandoverian Late Ludlovian
Visbysphaera Visbysphaera meson Nd Pridolian
Visbysphaera Visbysphaera meson Nd Early Gothlandian
Visbysphaera Visbysphaera microspinosa Nd Late Llandoverian
Visbysphaera Visbysphaera nannina Nd Llandoverian
Visbysphaera Visbysphaera occultata Nd Early Famennian
Visbysphaera Visbysphaera oligofurcata Nd Late Llandoverian
Visbysphaera Visbysphaera pirifera Nd Late Llandoverian
Visbysphaera Visbysphaera pirifera Nd Early Gothlandian
Visbysphaera Visbysphaera pirifera Nd Ludlovian
Visbysphaera Visbysphaera pirifera Nd Late Llandoverian