Polydesmida
Botrydesmus Loomis, 1934
Calymmodesmus Carl, 1914
Homodesmus Chamberlin, 1918
Rettenmeyeria Loomis, 1959
Sarolepis Loomis, 1964
Tracheloaspis Loomis, 1961
Xenoporus Loomis, 1961