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Estimating metazoan divergence times with a molecular clock
Accurately dating when the first bilaterally symmetrical animals arose is crucial to our understanding of early animal evolution. The earliest unequivocally bilaterian fossils are ≈555 million years old. In contrast, molecular-clock analyses calibrated by using the fossil record of vertebrates estim...
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| Autori principali: | , , , , , |
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| Natura: | Artigo |
| Lingua: | Inglês |
| Pubblicazione: |
National Academy of Sciences
2004
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| Soggetti: | |
| Accesso online: | https://ncbi.nlm.nih.gov/pmc/articles/PMC404080/ https://ncbi.nlm.nih.gov/pubmed/15084738 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1073/pnas.0401670101 |
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