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Author:
Cramer,F.H.;Diez,M.D.C.R.
Year:
1979
Title:
Lower Paleozoic acritarchs.
Reference:
Cramer,F.H. et al. (1979) Lower Paleozoic acritarchs. Instituto de investigaciones palinolгgicas, Apartado # 244 P. 17- 160
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Genus Species Country(Region) From To
Protosphaeridium Protosphaeridium Nd Nd
Protosphaeridium Protosphaeridium fuscipetiolatum Morocco Early Arenigian
Prototrematosphaeridium Prototrematosphaeridium holtedahlii Nd Early Paleozoic
Psenotopus Psenotopus chondrocheus Nd Early Paleozoic
Pseudolunulidia Pseudolunulidia imperatrizensis Nd Early Paleozoic
Pseudomasia Pseudomasia trinema Nd Early Paleozoic
Pterospermella Pterospermella aureolata Nd Early Paleozoic
Pterospermella Pterospermella danica Germany(Rhineland) Early Eocene
Pterospermella Pterospermella onondagaensis Nd Early Paleozoic
Pterospermella Pterospermella typicaus Nd Early Paleozoic
Pterospermopsimorpha Pterospermopsimorpha pileiformis Nd Early Paleozoic
Pterospermopsis Pterospermopsis danica Germany(Rhineland) Early Eocene
Pterospermopsis Pterospermopsis onondagaensis Nd Early Paleozoic
Pterospermopsis Pterospermopsis typicaus Nd Early Paleozoic
Pterotosphaerula Pterotosphaerula astrala Nd Early Paleozoic
Pulvinomorpha Pulvinomorpha angulata Nd Early Paleozoic
Pulvinosphaeridium Pulvinosphaeridium Nd Nd