The toilet has a collection shell (3), an inner dividing wall (7) and a dome (1). The dome has an entry opening (8) on its upper side and covers the collection shell. The outer edge area (15) of the dome has grip enhancing elements (10) in the region of the entry opening. The dome has a calotte form construction as seen from its side view. The outer edge (14) of the dome and the entry opening have an oval shape.
