The second pair of appendages (and mouthparts) on the arachnid prosoma. In scorpions this is the pincerlike claw, and in many other arachnids is leg-like in form.
The second pair of appendages (and mouthparts) on the arachnid prosoma. In scorpions this is the pincerlike claw, and in many other arachnids is leg-like in form.