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
Piliferosphaera Piliferosphaera pertonensis Nd Ludlovian
Piliferosphaera Piliferosphaera rustica Nd Early Llandoverian
Piliferosphaera Piliferosphaera setosa Nd Wenlockian
Piperodinium Piperodinium Nd Nd
Piperodinium Piperodinium perplexum Nd Recent
Pirea Pirea Nd Nd
Pirea Pirea ambigua Nd Llanvirnian
Pirea Pirea calvitia Nd Late Arenigian
Pirea Pirea capitata Nd Late Llanvirnian
Pirea Pirea capitulifera Nd Late Llanvirnian
Pirea Pirea colliformis Nd Late Llanvirnian
Pirea Pirea comata Nd Early Llanvirnian
Pirea Pirea dubia Nd Arenigian
Pirea Pirea fausta Nd Early Tremadocian
Pirea Pirea inflata Nd Late Llanvirnian
Pirea Pirea lagenaria Nd Late Llanvirnian
Pirea Pirea nervata Nd Late Llanvirnian