Author:
Stidd,B.M.
Year:
1981
Title:
The Current status of Medullosan seed ferns.
Reference:
Stidd,B.M. (1981) The Current status of Medullosan seed ferns. Review of Palaeobotany and Palynology Vol. 32 P. 63- 101
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Genus Species Country(Region) From To
Monoletes Monoletes USA Early Namurian Late Stephanian