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
Trachysphaeridium Trachysphaeridium dalongkouense Nd Late Precambrian
Trachysphaeridium Trachysphaeridium decorum Nd Nd
Trachysphaeridium Trachysphaeridium ellipsoidale Nd Proterozoic
Trachysphaeridium Trachysphaeridium etouchangense Nd Late Precambrian
Trachysphaeridium Trachysphaeridium filamentum Nd Nd
Trachysphaeridium Trachysphaeridium foramine USSR(Kirghiz SSR) Early Vendian
Trachysphaeridium Trachysphaeridium formosum Nd Wenlockian Ludlovian
Trachysphaeridium Trachysphaeridium gibbosum Nd Early Cambrian
Trachysphaeridium Trachysphaeridium granosum USSR(Kirghiz SSR) Early Vendian
Trachysphaeridium Trachysphaeridium granulatum Nd Proterozoic
Trachysphaeridium Trachysphaeridium hyalinum Nd Sinian
Trachysphaeridium Trachysphaeridium irregularium Nd Late Precambrian
Trachysphaeridium Trachysphaeridium jayanense Nd Nd
Trachysphaeridium Trachysphaeridium lachandinum Nd Riphean
Trachysphaeridium Trachysphaeridium laminaritum Nd Vendian
Trachysphaeridium Trachysphaeridium laufeldii Nd Late Riphean Vendian
Trachysphaeridium Trachysphaeridium leve Nd Middle Riphean Late Riphean