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New perspectives on the evolution of protochordate sensory and locomotory systems, and the origin of brains and heads.
Cladistic analyses generally place tunicates close to the base of the chordate lineage, consistent with the assumption that the tunicate tail is primitively simple, not secondarily reduced from a segmented trunk. Cephalochordates (i.e. amphioxus) are segmented and resemble vertebrates in having two...
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| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado em: |
2001
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| Acesso em linha: | https://ncbi.nlm.nih.gov/pmc/articles/PMC1088536/ https://ncbi.nlm.nih.gov/pubmed/11604123 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1098/rstb.2001.0974 |
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