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Class Merostomata - Horseshoe Crabs

Atlantic horseshoe crab - Limulus polyphemus - male - female Atlantic horseshoe crab - Limulus polyphemus - male - female Atlantic Horseshoe Crab - Limulus polyphemus Funny tail - Limulus polyphemus Eurypterus remipes Moving Out - Limulus polyphemus - male Limulus polyphemus Atlantic horseshoe crab - Limulus polyphemus
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Chelicerata (Chelicerates)
Class Merostomata (Horseshoe Crabs)
Numbers
One North American species, Limulus polyphemus.
Remarks
In addition to the order Xiphosura, which includes the horseshoe crabs, this class includes the extinct order Eurypterida, known as sea scorpions.
Internet References