Holistophallidae
Holistophallidae is a family of millipedes belonging to the order Polydesmida.
Genera:Duoporus Cook, 1901Elcarmenia Kraus, 1954Holistophallus Silvestri, 1909Pammicrophallus Pocock, 1909Synthodesmus Chamberlin, 1922Tunodesmus Chamberlin, 1922Zeuctodesmus Pocock, 1909