Have you ever seen a baby horseshoe crab? The stage is actually called a trilobite larva from the resemblance.

They don’t have the antennae though, which is a sign they go with arachnids instead. For a long time they were thought to be their closest aquatic relatives, but now it looks like they are arachnids and other groups moved onto land independently.
             
            
              
              
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              I had not, but that is really cool!  (And I am such a nerd!)
Raised Triops once upon a time, and thought they looked very trilobite-ish as well.

             
            
              
              
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              They were getting a bit shouty.
             
            
              
              
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              For those wondering why the Americas differ in the number of tornadoes that form every year:
             
            
              
              
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Certainly suggests microbial life should be pretty ubiquitous.  And the suggestion that they were already dealing with viruses plays along with my favorite, the RNA world hypothesis.
             
            
              
              
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              We’ve been working on this since I started, in the 80s.  It really is only a matter of time to get it right.  And yes, I’ve read those sci-fi stories as well.  I don’t know, man.  Just keeps getting more and more dystopian.
             
            
              
              
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              At least we’ll be able to transfer fetuses into men opposing abortion rights.
Step up dudes - put your money where your mouth is.
             
            
              
              
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              Yup!
Step right up, step right up and get your free fetus! A limited time offer, as they must be thrown out by tomorrow at midnight if not claimed. Free implantation with every adoption. Step right up, fellas!
             
            
              
              
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              Interesting facts about invertebrates.
             
            
              
              
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              I’ve known several - so only anecdotal.
             
            
              
              
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