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Possible poriferan body fossils in early Neoproterozoic microbial reefs
Molecular phylogeny indicates that metazoans (animals) emerged early in the Neoproterozoic era(1), but physical evidence is lacking. The search for animal fossils from the Proterozoic eon is hampered by uncertainty about what physical characteristics to expect. Sponges are the most basic known anima...
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
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Nature Publishing Group UK
2021
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| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8338550/ https://www.ncbi.nlm.nih.gov/pubmed/34321662 http://dx.doi.org/10.1038/s41586-021-03773-z |