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
Symplassosphaeridium Symplassosphaeridium specusum Nd Early Cambrian
Symplassosphaeridium Symplassosphaeridium subcoalitum Nd Late Cambrian
Symplassosphaeridium Symplassosphaeridium tumidulum Nd Late Cambrian
Symplassosphaeridium Symplassosphaeridium undosum Nd Early Riphean
Synsphaeridium Synsphaeridium Nd Nd
Synsphaeridium Synsphaeridium Nd Nd
Synsphaeridium Synsphaeridium Nd Nd
Synsphaeridium Synsphaeridium catenarium Australia(W.Australia) Frasnian
Synsphaeridium Synsphaeridium compactum Nd Bashkirian
Synsphaeridium Synsphaeridium conglutinatum Nd Proterozoic Middle Ordovician
Synsphaeridium Synsphaeridium conglutinatum Nd Nd
Synsphaeridium Synsphaeridium favosum China Late Precambrian
Synsphaeridium Synsphaeridium gotlandicum Nd Wenlockian
Synsphaeridium Synsphaeridium imbecillum Nd Vendian
Synsphaeridium Synsphaeridium paulum Nd Nd
Synsphaeridium Synsphaeridium rarum Nd Bashkirian
Synsphaeridium Synsphaeridium ruminatum Nd Vendian