1. Ferugliocladaceae, a new conifer family from the Permian of Gondwana;Archangelsky;Review of Palaeobotany and Palynology,1987
2. Bateman, R.M., Hilton, J., Rudall, P. J., in press. Spatial separation and development divergences of male and female reproductive units in gymnosperms, and their relevance to the origin of the angiosperms. In: Flowers and the Tree of Life (eds.) L. Wantorp and L. Ronse DeCraene. Systematics Association.
3. Morphology of Vascular Plants;Bierhorst,1977
4. The role of the calcium carbonate — calcium phosphate switch in the mineralization of soft-bodied fossils;Briggs;Journal of the Geological Society of London,1996
5. The Middle Jurassic flora from Stonesfield, Oxfordshire, UK;Cleal;Palaeontology,2003