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Cleavage patterns and the topology of the metazoan tree of life
Several major alliances of metazoan phyla have been identified by small subunit rRNA sequence comparisons. It is possible to arrange the phyla to produce a parsimonious distribution of cleavage types, requiring only one change from a radial ancestral condition to spiral cleavage and one other to “id...
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| Format: | Artigo |
| Idioma: | Inglês |
| Publicat: |
The National Academy of Sciences of the USA
1997
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| Accés en línia: | https://ncbi.nlm.nih.gov/pmc/articles/PMC21545/ https://ncbi.nlm.nih.gov/pubmed/9223303 |
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