Fig. 4. Particular gomphodesmid structural elements. A. Paxillus – a in A mountain of millipedes IX: Species of the family Gomphodesmidae from the Udzungwa Mountains, Tanzania (Diplopoda, Polydesmida)

Fig. 4. Particular gomphodesmid structural elements. A. Paxillus – a mid-ventral, most often triangular process on body ring 15 in most gomphodesmid males, from Hoffman (2005), modified. B. Torus – a low convexity of variable size and shape, found on the ventral surface of the poriferous paranota in males of many gomphodesmid species. Not drawn to scale.