Rothwell, G. W.; Stockey, R. A.; Mapes, G.; Hilton, J. (2011). Structure and relationships of the Jurassic conifer seed cone Hughmillerites juddii gen. et comb. nov.: implications for the origin and evolution of Cupressaceae. Review of Palaeobotany and Palynology. 164(1-2): 45-59.
Rothwell, G. W.; Stockey, R. A.; Mapes, G.; Hilton, J.
2011
Structure and relationships of the Jurassic conifer seed cone Hughmillerites juddii gen. et comb. nov.: implications for the origin and evolution of Cupressaceae