Rhachodesmidae
Rhachodesmidae is a family of flat-backed millipedes in the order Polydesmida. There are more than 20 genera and at least 80 described species in Rhachodesmidae.
Genera
These 21 genera belong to the family Rhachodesmidae:Aceratophallus Carl, 1902Acutangulus Attems, 1898Ceuthauxus Chamberlin, 1942Chromodesmus Loomis, 1977Cornalatus Attems, 1931Curodesmus Chamberlin, 1922Diuncustoma Shelley, 1997DobrodesmusEuphallus Chamberlin, 1953Metaphallus Chamberlin, 1952Mexidesmus Loomis, 1977Neoleptodesmus Carl, 1903Pararhachistes Pocock, 1909Rhachidomorpha De Saussure, 1860Rhachodesmus Cook, 1895Sakophallus Chamberlin, 1941Strongylodesmus De Saussure, 1859Tancitares Chamberlin, 1942Teinorhachis Loomis, 1961Tiphallus Chamberlin, 1952Unculabes Causey, 1971