Holistophallidae

Holistophallidae is a family of millipedes belonging to the order Polydesmida.

Genera:
 * Duoporus Cook, 1901
 * Elcarmenia Kraus, 1954
 * Holistophallus Silvestri, 1909
 * Pammicrophallus Pocock, 1909
 * Synthodesmus Chamberlin, 1922
 * Tunodesmus Chamberlin, 1922
 * Zeuctodesmus Pocock, 1909