Extra Credit

Fall 2005

• Must do all organisms!

Invertebrate List

Example (Artemia)

Did you know?

The horseshoe crab, Limulus polyphemus, at one time were considered true crustaceans, thus the name "crab". However, these dark brown Arthropods are only distantly related to such crustaceans as the true crabs, shrimps and lobsters. By examining their underside, we can clearly see many similarities between the horseshoe crabs, members of the class Merostomata, and spiders, scorpions and ticks, which belong to the class Arachnida.

The horseshoe crab it has no known natural enemies. There are reports that during the sixteenth century, the coastal Indians of South Carolina attached the sharp tail (more properly called a telson) to the end of their fish spears.

Learn more here and here.