1. Brief history of the gymnosperms: classification, biodiversity, phytogeography and ecology;Anderson;Strelitzia,2007
2. Morphology and systematics of selected Mesozoic conifers;Arndt;Palaeontographica,2002
3. The Triassic conifer seed cone Glyptolepis;Axsmith;Rev. Palaeobot. Palynol.,1997
4. A new fossil conifer from the Triassic of North America: implications for models of ovulate scale evolution;Axsmith;Int. J. Plant Sci.,1998
5. An araucarian conifer bract-scale complex from the lower Jurassic of Massachusetts: implications for estimating phylogenetic and stratigraphic congruence in the Araucariaceae;Axsmith;Palaeontol. Electron.,2008