Horseshoe Crabs (Limulidae) are marine arthropods with the entire bodies protected by a hard chitinous carapace. They inhabit shallow waters with sandy or muddy bottoms. The horseshoe crab family contains only four extant species, the only surviving members of class Xiphosura.

 

		Atlantic Horseshoe Crab (Limulus polyphemus)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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