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980 Million Year Old Sponges Found

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DPS Ammonite

980 million year old soft sponges may have been found in a reef associated with microbiolites in Canada, pushing back sponge fossils 300 million years. The lack of a fully mineralized skeleton in the earliest sponges may make fossilization and recognition difficult.


Turner, E.C. Possible poriferan body fossils in early Neoproterozoic microbial reefs. Nature (2021). https://doi.org/10.1038/s41586-021-03773-z




Edited by DPS Ammonite
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Ya got to it before I did! I saw it in the paper today. Interesting...

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The Porifera newsgroup has been very active on this topic over the last couple days. The consensus among the experts seems to be pouring a lot of cold water on these 'possible' sponge fossils.  LINK


  explanation smiley
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