A primitive seed-like structure and its implications for early gymnosperm evolution

This publication has 11 references indexed in Scilit:

• ORIGINS OF HETEROSPORY AND THE SEED HABIT: THE ROLE OF HETEROCHRONY
  Taxon, 1989
• Seed plant phylogeny and the origin of angiosperms: An experimental cladistic approach
  The Botanical Review, 1986
• Phylogenetic Analysis of Seed Plants and the Origin of Angiosperms
  Annals of the Missouri Botanical Garden, 1985
• Basic features of gymnosperm systematics and phylogeny as evidenced by the fossil record
  The Botanical Review, 1984
• Distribution of anatomically-preserved floras in the Lower Carboniferous in Western Europe
  Earth and Environmental Science Transactions of the Royal Society of Edinburgh, 1984
• New interpretations of the earliest conifers
  Review of Palaeobotany and Palynology, 1982
• The earliest seeds
  Nature, 1981
• Studies on the cupulate seed genus Hydrasperma Long from Berwickshire and East Lothian in Scotland and County Kerry in Ireland
  Botanical Journal of the Linnean Society, 1980
• First Devonian platyspermic seed and its implications in gymnosperm evolution
  Nature, 1977
• Observations on Carboniferous seeds of Mitrospermum, Conostoma and Lagenostoma
  Earth and Environmental Science Transactions of the Royal Society of Edinburgh, 1977