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Just as the title asks. What are the oldest known micro fossils and from when. What examples are available to see? My other ask is where can I find clear examples of algae ( oldest) and other fungi or alike filaments? My finds with algae and fungi are what seem to be sporulating nodes from fungi while the algae forms in chains like 6's stacked alternating direction. I say fungi because they appear to show clamp connections through the hypha and asexual sporulation without a fruiting body. The interesting thing of some of those connections cross to what appear to be other fungi that look completely different. This could be due to like what we see today where the incomplete genetic mycelium needing to pair with another to create a sexually viable colony. I have found some cool stuff... no one believes me. That's just fine. I have a clear picture of an isopod that looks like a 120micron ish. I need to do the picture pixel scale for a better measurement. It came from inside a solid junk of quartz cavity. My geology, according to my states survey, puts me Precambrian and earlier. I thought at one point it was up to the Ordovician but more research found that is not the case. Ignore Nevada. I am not in Nevada. I will do the work and share my findings when I am done and satisfied I have no contamination with repeatable findings in impossible places for them to reach. If you don't agree with me, cool, you can tell me! I'm ok with it. Please also answer my questions if you can though. Thanks every one!

Recently, a group of paleontologists were having a discussion regarding fossil shells after a woman produced one for identification. Discussion turned to the difference between a shell and a fossil shell (that being a shell which has permineralized). There was debate as to whether or not there are any shells that are older than any fossil shells in the general paleo record. One of the paleontologists knows a shell expert and she reported back that the oldest known shell is approximately 18,000 years old and that all shells older than that have permineralized. However, some found this difficult to believe, as shell material, being mostly calcium carbonate, should be able to survive for very long periods in non-acidic deposition environments. Can anyone confirm this? Thanks!

I thought this was interesting. https://www.cnn.com/2018/10/10/health/neanderthal-child-eaten-by-giant-bird/index.html