Middle Jurassic evidence for the origin of Cupressaceae: A paleobotanical context for the roles of regulatory genetics and development in the evolution of conifer seed cones.

@article{Spencer2015MiddleJE,
  title={Middle Jurassic evidence for the origin of Cupressaceae: A paleobotanical context for the roles of regulatory genetics and development in the evolution of conifer seed cones.},
  author={Alan R T Spencer and Gene Mapes and Richard M. Bateman and Jason T. Hilton and Gar W. Rothwell},
  journal={American journal of botany},
  year={2015},
  volume={102 6},
  pages={942-61}
}
PREMISE OF THE STUDY Triassic and Jurassic fossils record structural changes in conifer seed cones through time, provide the earliest evidence for crown-group conifer clades, and further clarify sister-group relationships of modern conifer families. A new and distinct seed-cone from the Isle of Skye in western Scotland provides the oldest detailed evidence for the ancestral morphology of the phylogenetically contentious family Cupressaceae. METHODS A single isolated cone was prepared as… CONTINUE READING
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