A new study is challenging accepted ideas about how ancient soft-bodied organisms become part of the fossil record. Findings suggest that bacteria involved in the decay of those organisms play an active role in how fossils are formed — often in a matter of just a few tens to hundreds of years. Understanding the relationship between decay and fossilization will inform future study and help researchers interpret fossils in a new way.
http://feeds.sciencedaily.com/~r/sciencedaily/~3/-pOvQG7xSvY/141218120844.htm
550-million-year-old fossils provide new clues about fossil formation
18 diciembre 2014
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