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An Early Cambrian stem polychaete with pygidial cirri
The oldest annelid fossils are polychaetes from the Cambrian Period. They are representatives of the annelid stem group and thus vital in any discussion of how we polarize the evolution of the crown group. Here, we describe a fossil polychaete from the Early Cambrian Sirius Passet fauna, Pygocirrus...
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| Main Authors: | , , |
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| 格式: | Artigo |
| 語言: | Inglês |
| 出版: |
The Royal Society
2011
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| 主題: | |
| 在線閱讀: | https://ncbi.nlm.nih.gov/pmc/articles/PMC3210688/ https://ncbi.nlm.nih.gov/pubmed/21733871 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1098/rsbl.2011.0592 |
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