Author:
Millay,M.A.;Taylor,T.N.
Year:
1976
Title:
Evolutionary trends in fossil Gymnosperm pollen
Reference:
Millay,M.A. et al. (1976) Evolutionary trends in fossil Gymnosperm pollen Review of Palaeobotany and Palynology Vol. 21 # 1 P. 65- 91
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Genus Species Country(Region) From To
Vesicaspora Vesicaspora sp. Mill.et al,1974 sp. nov. Illinois Middle Pennsylvanian Late Pennsylvanian