special features.
- They have pair of jointed legs
- Their shell is rounded and hard
- Spine-like Tail
- They grow to 2 feet long
- The gills have folds of membranes that look like leaves
- Their eyes are far apart and they look like bumps on the top of the shell of the eye lid
- The tail is also known as the telson
- The body is called the abdomen
- The head is also called the prosoma