The telson is the hindmost division of the body of an arthropod. Depending on the definition, the telson is either considered to be the final segment of the arthropod body, or an additional division t
Telson (arrow no. 3) of the horseshoe crab Carcinoscorpius rotundicauda
Hottentotta tamulus scorpion, showing telson
Telson of a millipede, including an epiproct (e), hypoproct (h) and paraprocts (p)
The pygidium is the posterior body part or shield of crustaceans and some other arthropods, such as insects and the extinct trilobites. In groups other than insects, it contains the anus and, in femal