Siphonotidae is a family of millipedes in the order Polyzoniida.

[1][2][3] This family includes more than 70 species distributed among 13 genera.

[4] These millipedes are found in South America, South Africa, Madagascar, Southeast Asia, Australia and New Zealand.

[5] Millipedes in this family have a narrow telson and are quick and active.

This family includes the following genera:[6]Orsilochus is a taxonomic synonym of Rhinotus.