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The Middle Cambrian fossil Pikaia and the evolution of chordate swimming
Conway Morris and Caron (2012) have recently published an account of virtually all the available information on Pikaia gracilens, a well-known Cambrian fossil and supposed basal chordate, and propose on this basis some new ideas about Pikaia’s anatomy and evolutionary significance. Chief among its c...
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
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BioMed Central
2012
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| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3390900/ https://www.ncbi.nlm.nih.gov/pubmed/22695332 http://dx.doi.org/10.1186/2041-9139-3-12 |