The cephalothorax or prosoma is the anterior most of the two body parts of arachnids (the other part being the abdomen or opisthosoma).
The cephalothorax features the eyes, mouth and legs of the arachnid. The cephalothorax is more rigid than the abdomen and contains the muscles used to operate the limbs.
A photograph of a cellar spider. The cephalothorax is the part of the body to which the legs are attached.
Other names for (or types of) Cephalothorax include:
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