The carapace of the horseshoe crab is made up of three sections: the cephalothorax, abdomen and tail. The largest section of the animal, the cephalothorax, houses parts of the intestinal tract ...

These pedipalps are attached to the front of the cephalothorax. The second unique characteristic is the long hair-like tail that lacks a stinging apparatus on the end.

Along the cephalothorax are two darker brown lines that run lengthwise to the abdomen, which can be unpatterned or adorned with two light lines.

The first, or front part, is the cephalothorax, which is formed by the fusing of the head and thorax, according to Jo-Anne Nina Sewlal, an arachnologist at the University of the West Indies in ...

Scientists from Rice University have turned dead spiders into 'necrobots,' which are equipped with mechanical grippers!

The cephalothorax and abdomen are fused together so harvestmen lack the narrow “waist” that spiders have. Harvestmen have two eyes. Nearly all spiders have eight.

It has a reddish-brown cephalothorax with the top region near the front black. The female's rather large abdomen is light brown with dark brown and greenish markings.