Time flies, a new molecular time-scale for brachyceran fly evolution without a clock.

@article{Wiegmann2003TimeFA,
  title={Time flies, a new molecular time-scale for brachyceran fly evolution without a clock.},
  author={Brian M. Wiegmann and David K. Yeates and Jeffrey L. Thorne and Hirohisa Kishino},
  journal={Systematic biology},
  year={2003},
  volume={52 6},
  pages={
          745-56
        }
}
The insect order Diptera, the true flies, contains one of the four largest Mesozoic insect radiations within its suborder Brachycera. Estimates of phylogenetic relationships and divergence dates among the major brachyceran lineages have been problematic or vague because of a lack of consistent evidence and the rarity of well-preserved fossils. Here, we combine new evidence from nucleotide sequence data, morphological reinterpretations, and fossils to improve estimates of brachyceran… Expand
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