this post was submitted on 24 May 2026
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Science Memes

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[–] echodot@feddit.uk 35 points 21 hours ago* (last edited 21 hours ago) (1 children)

This isn't really a mystery. We know the fossil record is incomplete, something like 99% of species are almost certainly not represented in the fossil record and what is present will massively be biased towards marine life.

Plants don't fossilize particularly well anyways so it's not surprising that we don't have records for these organisms. The fact that we have records for the existence of ferns at all is probably evidence of them suddenly becoming massively prolific (I wonder if some major environmental change occurred around that time ☄️) rather than them springing out a thin air.

[–] NottaLottaOcelot@lemmy.ca 10 points 18 hours ago (1 children)

They were dropped off by aliens. The very same ones who returned millions of years later to build us pyramids. It’s a very philanthropic extra-terrestrial community

[–] mnemonicmonkeys@sh.itjust.works 1 points 15 hours ago

Until they flatten all the buildings and make the survivors fight through a murder dungeon for their entertainment