Author:
Retallack,G.J.;Dilcher,D.L.
Year:
1981
Title:
Arguments for a Glossopterid ancestry of angiosperms.
Reference:
Retallack,G.J. et al. (1981) Arguments for a Glossopterid ancestry of angiosperms. Paleobiology Vol. 7 # 1 P. 54- 67
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Genus Species Country(Region) From To
Dictyopteridium Dictyopteridium Nd Early Permian
Protohaploxypinus Protohaploxypinus Nd Early Permian