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Cambrian stem-group annelids and a metameric origin of the annelid head
The oldest fossil annelids come from the Early Cambrian Sirius Passet and Guanshan biotas and Middle Cambrian Burgess Shale. While these are among the best preserved polychaete fossils, their relationship to living taxa is contentious, having been interpreted either as members of extant clades or as...
| Autores principales: | , , |
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
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The Royal Society
2015
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| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4650189/ https://www.ncbi.nlm.nih.gov/pubmed/26445984 http://dx.doi.org/10.1098/rsbl.2015.0763 |