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
Guttatisphaeridium Guttatisphaeridium Nd Nd
Guttatisphaeridium Guttatisphaeridium pandum Nd Late Devonian
Gyalorhethium Gyalorhethium Nd Nd
Gyalorhethium Gyalorhethium chondrodes Nd Llandeilian
Gyalorhethium Gyalorhethium spinuliferum Nd Ashgillian
Gyratosphaerina Gyratosphaerina Nd Nd
Gyratosphaerina Gyratosphaerina aspera Nd Early Cambrian
Gyratosphaerina Gyratosphaerina composita Nd Middle Riphean
Halodinium Halodinium Nd Nd
Halodinium Halodinium majus Nd Pleistocene
Halodinium Halodinium minus Nd Pleistocene
Halophoridia Halophoridia Nd Nd
Halophoridia Halophoridia spinosa Nd Early Cenomanian
Halophoridia Halophoridia xena Nd Late Albian Cenomanian
Haplocystia Haplocystia Nd Nd
Haplocystia Haplocystia pellucida Nd Late Permian
Hapsidopalla Hapsidopalla Nd Nd