J.  Doubinger, Vetter, P., Langiaux, J., Galtier, J., and Broutin, J., ?La flore fossile du bassin houiller de Saint-Étienne?, Mémoires du Muséum Nationald'Histoire Naturelle, vol. 164 Paléobotanique, pp. 1-357, 1995.

K. M.  Parris, Drinnan, A. N., and Cantrill, D. J., ?Palissya cones from the. Mesozoic of Australia and New Zealand?, Alcheringia, vol. 19, pp. 87-111, 1995.

B. E.  Balme, ?Fossil in situ spores and pollen grains: an annotated catalogue?, Review of Palaeobotany and Palynology, vol. 87, pp. 81-323, 1995.