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Cambrian ruleiod (lemmy.world)
submitted 4 months ago by aaro@lemmy.world to c/196@lemmy.blahaj.zone
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[-] Sidyctism2@discuss.tchncs.de 23 points 4 months ago

Those are trilobites, part of the arthropod phylum. They have exoskeletons (i.e no inner bones), so they would probably look quite a lot like their fossils. Comparing them to vertebrates like humans (or dinosaurs, or whatever) in this context makes no sense.

[-] bufalo1973@lemmy.ml 2 points 4 months ago

And an exoskeleton can't have anything covering it because... ?

[-] WoahWoah@lemmy.world 17 points 4 months ago

Because that's what the "exo" part means.

this post was submitted on 26 Jun 2024
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