Animal Evolution: Stiff or Squishy Notochord Origins?

Abstract

The notochord is considered an evolutionary novelty and one of the defining characters of chordates. A new study of an annelid challenges this view and proposes an earlier evolutionary origin in the most recent common ancestor of chordates and annelids.

DOI: 10.1016/j.cub.2014.10.059

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Cite this paper

@article{Hejnol2014AnimalES, title={Animal Evolution: Stiff or Squishy Notochord Origins?}, author={Andreas Hejnol and Christopher J. Lowe}, journal={Current Biology}, year={2014}, volume={24}, pages={R1131-R1133} }