Cichan, M.A., Taylor, T.N. & Brauer, D.F., 1984. Ultrastructural studies of in situ Devonian spores: Protobarinophyton pennsylvanicum Brauer. Review of Palaeobotany and Palynology 41: 167-175. ≡
|
Krings, M., Kerp , H., Taylor, E.L. & Taylor, T.N., 2001. Reconstruction of Pseudomariopteris busquetii, a vine-like Late Carboniferous-Early Permian pteridosperm. Amer. J. Bot. 88 (5), May 2001: 767-776. ≡
|