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
Vologdovia Vologdovia companula Nd Middle Riphean
Vulcanisphaera Vulcanisphaera Nd Nd
Vulcanisphaera Vulcanisphaera africana Nd Tremadocian
Vulcanisphaera Vulcanisphaera britannica Nd Tremadocian
Vulcanisphaera Vulcanisphaera capillata Nd Early Tremadocian
Vulcanisphaera Vulcanisphaera cirrita Nd Tremadocian
Vulcanisphaera Vulcanisphaera fermosa Nd Early Cambrian Middle Cambrian
Vulcanisphaera Vulcanisphaera flagellum Nd Tremadocian
Vulcanisphaera Vulcanisphaera frequens Nd Late Tremadocian
Vulcanisphaera Vulcanisphaera gorgo Nd Tremadocian
Vulcanisphaera Vulcanisphaera imparilis Nd Tremadocian
Vulcanisphaera Vulcanisphaera lanugo Nd Middle Cambrian
Vulcanisphaera Vulcanisphaera lophophora Nd Late Gothlandian
Vulcanisphaera Vulcanisphaera microspinosa Nd Early Cambrian
Vulcanisphaera Vulcanisphaera mougnoana Nd Tremadocian
Vulcanisphaera Vulcanisphaera nebulosa Nd Tremadocian
Vulcanisphaera Vulcanisphaera nova Nd Early Ludlovian