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Limulus polyphemus
(HORSESHOE CRABS)

This species lived in the Cretaceous when the dinosaurs were alive. They live today. They are living fossils. However, they are not true crabs. We are talking about the animal called the "HORSESHOE CRAB".

If you have visited a shop which sells sea shells, chances are you have also see a horseshoe crab.


Here is a little on the taxonomy of the horse shoe crab (Limulus polyphemus):

Superkingdom: Eukaryota All animals, plants, fungi, and protists.
Kingdom: Animalia Animals
Subkingdom: Metazoa Multicellular animals
Phylum: Arthropoda Jointed leg invertebrates
Sub-Phylum: Cheilcerata animals with no jaws
Class: Merostomata mouth surrounded by legs
Subclass: Xiphosura from the Greek Xiphos meaning sword and ura meaning tail
Order: Xiphosurida sword-tailed animals
Family: Limulidae one living member, Limulus
Genus: Limulus from the Latin, meaning somewhat oblique, odd, or askew and referring to the sideways placement of the compound eyes
Species: polyphemus from the Greek, meaning one-eyed giant and referring to the simple eyes on the front of the shell

Authority: NOAA Sea Grant

Common names: Horseshoe crab