The New Animal Phylogeny: Reliability and Implications

DNA sequence analysis dictates new interpretation of phylogenic trees. Taxa that were once thought to represent successive grades of complexity at the base of the metazoan tree are being displaced to much higher positions inside the tree. This leaves no evolutionary "intermediates" and for...

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Bibliographic Details
Published in:Proceedings of the National Academy of Sciences - PNAS 2000-04, Vol.97 (9), p.4453-4456
Main Authors: Adoutte, Andre, Balavoine, Guillaume, Lartillot, Nicolas, Lespinet, Olivier, Benjamin Prud'homme, De Rosa, Renaud
Format: Article
Language:English
Subjects:
Animals
Biological Evolution
Deoxyribonucleic acid
DNA
DNA - genetics
Evolution
Evolution, Molecular
Evolutionary genetics
Genes, Homeobox
Genetics
Genomes
Invertebrates - classification
Invertebrates - genetics
Kinship
Life Sciences
Molecular Biology - methods
Nematodes
Perspectives
Phylogenetics
Phylogeny
Reproducibility of Results
Signatures
Taxa
Vertebrates - classification
Vertebrates - genetics
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Summary:DNA sequence analysis dictates new interpretation of phylogenic trees. Taxa that were once thought to represent successive grades of complexity at the base of the metazoan tree are being displaced to much higher positions inside the tree. This leaves no evolutionary "intermediates" and forces us to rethink the genesis of bilaterian complexity.
ISSN:0027-8424
1091-6490
DOI:10.1073/pnas.97.9.4453