Author:
Kremp,G.O.W.
Year:
1966
Title:
Protoquercus, the Missing Link between Gymnospermous and Dicotyledonous pollen.
Reference:
Kremp,G.O.W. (1966) Protoquercus, the Missing Link between Gymnospermous and Dicotyledonous pollen. Arizona Academy of Science Vol. 4 P.
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Genus Species Country(Region) From To
Castanea Castanea Nd Early Cretaceous
Protoquercus Protoquercus Nd Early Cretaceous
Schopfipollenites Schopfipollenites Nd Late Pennsylvanian
Tricolpites Tricolpites troedssonii Nd Early Jurassic