Paul, G.S., and Carpenter, K. 2010. Allosaurus Marsh, 1877
(Dinosauria, Theropoda): proposed conservation of usage by
designation of a neotype for its type species Allosaurus fragilis
Marsh, 1877. Bulletin of Zoological Nomenclature 67(1):53-56.
Smith, S.A., Beaulieu, J.M., and Donoghue, M.J. 2010. An uncorrelated
relaxed-clock analysis suggests an earlier origin for flowering
plants. Proceedings of the National Academy of Sciences
107(13):5897-5902. doi: 10.1073/pnas.1001225107.
ABSTRACT: We present molecular dating analyses for land plants that
incorporate 33 fossil calibrations, permit rates of molecular
evolution to be uncorrelated across the tree, and take into account
uncertainties in phylogenetic relationships and the fossil record.