Eukaryota  >  Metazoa  >  Arthropoda  >  Diplopoda  >  Spirostreptida

Family	Genus	Species
Cambalidae	1	1
Cambalopsidae	10	52
Choctellidae	1	1
Harpagophoridae	13	72
Iulomorphidae	1	3
Odontopygidae	3	5
Spirostreptidae	15	59