Author:
Zavada,M.S.
Year:
1992
Title:
The wall ultrastructure of fossil Discoid Pollen.
Reference:
Zavada,M.S. (1992) The wall ultrastructure of fossil Discoid Pollen. Bulletin of the Torrey Botanical Club Vol. 119 # 1 P. 44- 49
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Genus Species Country(Region) From To
Araucariacites Araucariacites australis South Africa Valanginian Hauterivian
Balmeiopsis Balmeiopsis limbatus Africa(Offshore) Aptian Albian
Cyclusphaera Cyclusphaera psilata Africa(Offshore) Aptian Albian