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Jacksonville, Duval County, Florida, USA
March 4, 2020
There were hundreds of these underneath the rocks at the beach.

Moved from Isopods.

Maybe Sphaeroma? A good shot of the telson (back end) would help

Copied from my other post
So based on a paper I just read “ The body of Sphaeroma quadridentatum lacks tubercles, easily dis­ tinguishing it from S. terebrans” i believe this to be S. quadridentata. It also has serrated uropods which seem to be a defining feature as well.

I have
Another photo of some other ones I found under a different rock, I’ll make a separate post

Moved from ID Request.

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