The Cambrian fossil Pikaia, and the origin of chordate somites
Abstract The Middle Cambrian fossil Pikaia has a regular series of vertical bands that, assuming chordate affinities, can be interpreted as septa positioned between serial myotomes. Whether Pikaia has a notochord and nerve cord is less certain, as the dorsal organ, which has no obvious counterpart i...
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| Autor principal: | |
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| Format: | Artigo |
| Idioma: | Inglês |
| Publicat: |
BMC
2024-02-01
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| Col·lecció: | EvoDevo |
| Matèries: | |
| Accés en línia: | https://doi.org/10.1186/s13227-024-00222-6 |
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