Animal evolution: stiff or squishy notochord origins?
- PMID: 25465334
- DOI: 10.1016/j.cub.2014.10.059
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.
Copyright © 2014 Elsevier Ltd. All rights reserved.
Comment on
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Development of the annelid axochord: insights into notochord evolution.Science. 2014 Sep 12;345(6202):1365-8. doi: 10.1126/science.1253396. Science. 2014. PMID: 25214631
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