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
Comasphaeridium Comasphaeridium arcetotricus Nd Late Devonian
Comasphaeridium Comasphaeridium aurora Nd Wenlockian
Comasphaeridium Comasphaeridium brachyspinosum Nd Early Cambrian
Comasphaeridium Comasphaeridium brevispinosum Nd Wenlockian Ludlovian
Comasphaeridium Comasphaeridium caesariatum Nd Late Devonian
Comasphaeridium Comasphaeridium caesariatum Tennessee Early Cambrian
Comasphaeridium Comasphaeridium campoae Nd Tournaisian
Comasphaeridium Comasphaeridium capillatum Nd Late Oxfordian
Comasphaeridium Comasphaeridium capillum Nd Late Llandoverian
Comasphaeridium Comasphaeridium cerinum Nd Early Cambrian
Comasphaeridium Comasphaeridium cometes Nd Early Bathonian
Comasphaeridium Comasphaeridium denseprocessum Nd Early Arenigian
Comasphaeridium Comasphaeridium dubium Nd Early Cambrian
Comasphaeridium Comasphaeridium duvernayense Nd Late Devonian
Comasphaeridium Comasphaeridium elongatum Nd Late Devonian
Comasphaeridium Comasphaeridium filiforme Nd Nd
Comasphaeridium Comasphaeridium formosum Nd Early Cambrian