Polydesmidae Leach, 1815
Scytonotus australis Hoffman, 1962
Scytonotus bergrothi Chamberlin, 1911
Scytonotus cavernarus Bollman, 1887
Scytonotus columbianus Chamberlin, 1920
Scytonotus granulatus (Say, 1821)
Scytonotus inornatus Shelley, 1994
Scytonotus insulanus Attems, 1931
Scytonotus multituberculatus (Carl, 1905)
Scytonotus nodulosus C. L. Koch, 1847
Scytonotus piger Chamberlin, 1910
Scytonotus simplex Chamberlin, 1941
Scytonotus virginicus (Loomis, 1943)
