• Bistolodesmus bonikus (Chamberlin, 1912)
• Chaetaspis albus Bollman, 1887
• Chaetaspis aleyorum Lewis, 2002
• Chaetaspis attenuatus Lewis, 2013
• Chaetaspis debilis (Causey, 1959)
• Chaetaspis fragilis (Loomis, 1943)
• Chaetaspis mollis (Causey, 1959)
• Chaetaspis ohionis Causey, 1950
• Ergodesmus compactus (Chamberlin, 1949)
• Ergodesmus cristatus (Loomis & Schmitt, 1971) accepted as Ergodesmus compactus (Chamberlin, 1949)
• Ergodesmus remingtoni (Hoffman, 1962)
• Harpagonopus confluentus Loomis, 1960
• Harpagonopus confuentus Loomis, 1960
• Jaliscodesmus alticola Hoffman, 1975 accepted as Sakophallus simplex Chamberlin, 1942
• Kepolydesmus anderisus (Chamberlin, 1910)
• Kepolydesmus hesperus Chamberlin, 1949 accepted as Kepolydesmus anderisus (Chamberlin, 1910)
• Kepolydesmus mimus Chamberlin, 1947 accepted as Kepolydesmus anderisus (Chamberlin, 1910)
• Kepolydesmus pungo Chamberlin, 1949 accepted as Kepolydesmus anderisus (Chamberlin, 1910)
• Leonardesmus injucundus Shelley & Shear, 2006
• Nearctodesmus amissus Chamberlin, 1949 accepted as Nearctodesmus insulanus (Chamberlin, 1941)
• Nearctodesmus boydi Chamberlin, 1951 accepted as Nearctodesmus insulanus (Chamberlin, 1941)
• Nearctodesmus brunnior Chamberlin, 1949 accepted as Nearctodesmus cerasinus (Wood, 1864)
• Nearctodesmus campicolens Chamberlin, 1949 accepted as Nearctodesmus cerasinus (Wood, 1864)
• Nearctodesmus carli Chamberlin, 1951 accepted as Nearctodesmus insulanus (Chamberlin, 1941)
• Nearctodesmus cerasinus (Wood, 1864)
• Nearctodesmus cochlearius Causey, 1954 accepted as Nearctodesmus insulanus (Chamberlin, 1941)
• Nearctodesmus insulanus (Chamberlin, 1941)
• Nearctodesmus malkini Chamberlin, 1951 accepted as Nearctodesmus cerasinus (Wood, 1864)
• Nearctodesmus olympus Causey, 1954 accepted as Nearctodesmus insulanus (Chamberlin, 1941)
• Nearctodesmus pseustes Chamberlin, 1949 accepted as Nearctodesmus insulanus (Chamberlin, 1941)
• Nearctodesmus renigens Chamberlin, 1949 accepted as Nearctodesmus insulanus (Chamberlin, 1941)
• Nearctodesmus salix Chamberlin, 1949
• Nevadesmus hubbsi (Chamberlin, 1943)
• Nevadesmus ophimontis Shear, 2009
• Ophiodesmus albonanus (Latzel, 1895)
• Pratherodesmus despaini Shear, 2009
• Pratherodesmus ecclesia Shear, 2009
• Pratherodesmus voylesi Shear, 2009
• Sequoiadesmus krejcae Shear & Shelley, 2008
• Speodesmus aquiliensis Shear, 1984 accepted as Coloradesmus aquiliensis Shear, 1984
• Speodesmus bicornourus Causey, 1959
• Speodesmus castellanus Elliott, 2004
• Speodesmus echinourus Loomis, 1939
• Speodesmus falcatus Elliott, 2004
• Speodesmus ivyi Elliott, 2004
• Speodesmus reddelli Elliott, 2004
• Speodesmus tuganbius (Chamberlin, 1952) accepted as Speorthus tuganbius Chamberlin, 1952
• Speorthus reyesi Shear & Reddell, 2017
• Speorthus tuganbius Chamberlin, 1952
• Tidesmus episcopus Chamberlin, 1943
• Tidesmus hastingsus (Chamberlin, 1941)
• Tidesmus hubbsi Chamberlin, 1943 accepted as Nevadesmus hubbsi (Chamberlin, 1943)
• Tidesmus torreyanus (Loomis, 1960)
• Tidesmus variabilis (Loomis, 1960)