<P> Each somite , or body segment can bear a pair of appendages : on the segments of the head , these include two pairs of antennae , the mandibles and maxillae ; the thoracic segments bear legs , which may be specialised as pereiopods ( walking legs ) and maxillipeds ( feeding legs ) . The abdomen bears pleopods , and ends in a telson , which bears the anus , and is often flanked by uropods to form a tail fan . The number and variety of appendages in different crustaceans may be partly responsible for the group 's success . </P>
<P> Each somite , or body segment can bear a pair of appendages : on the segments of the head , these include two pairs of antennae , the mandibles and maxillae ; the thoracic segments bear legs , which may be specialised as pereiopods ( walking legs ) and maxillipeds ( feeding legs ) . The abdomen bears pleopods , and ends in a telson , which bears the anus , and is often flanked by uropods to form a tail fan . The number and variety of appendages in different crustaceans may be partly responsible for the group 's success . </P>
where are the walking legs of crustaceans found
where are the walking legs of crustaceans found
the thoracic segments
the thoracic segments