Three-dimensional limb joint mobility in the early tetrapod Ichthyostega

@article{Pierce2012ThreedimensionalLJ,
  title={Three-dimensional limb joint mobility in the early tetrapod Ichthyostega},
  author={S. E. Pierce and J. Clack and J. Hutchinson},
  journal={Nature},
  year={2012},
  volume={486},
  pages={523-526}
}
  • S. E. Pierce, J. Clack, J. Hutchinson
  • Published 2012
  • Biology, Medicine
  • Nature
  • The origin of tetrapods and the transition from swimming to walking was a pivotal step in the evolution and diversification of terrestrial vertebrates. [...] Key Result We show that Ichthyostega could not have employed typical tetrapod locomotory behaviours, such as lateral sequence walking. In particular, it lacked the necessary rotary motions in its limbs to push the body off the ground and move the limbs in an alternating sequence. Given that long-axis rotation was present in the fins of tetrapodomorph…Expand Abstract
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