• Mexiterpes calenturas Shear, 1982
• Mexiterpes egeo (Causey, 1969)
• Mexiterpes fishi (Causey, 1969)
• Mexiterpes metallicus Shear, 1972
• Mexiterpes nogal Shear, 1982
• Mexiterpes sabinus Causey, 1963
• Mexiterpes sangregario Shear, 1986
• Scoterpes austrinus Loomis, 1943
• Scoterpes copei (Packard, 1881)
• Scoterpes dendropus Loomis, 1939
• Scoterpes ventus Shear, 1972
• Trichopetalum appropinquo (Causey, 1969)
• Trichopetalum cornutum Cook & Collins, 1895
• Trichopetalum dux (Chamberlin, 1940)
• Trichopetalum krekeleri (Causey, 1960)
• Trichopetalum lunatum Harger, 1872
• Trichopetalum montis Chamberlin, 1951
• Trichopetalum packardi (Causey, 1960)
• Trichopetalum quadratum (Loomis, 1966)
• Trichopetalum stannardi (Causey, 1951)
• Trichopetalum subterraneum Causey, 1967
• Trichopetalum syntheticum Shear, 1972
• Trichopetalum uncum Cook & Collins, 1895
• Trichopetalum weyeriensis (Causey, 1960)
• Trichopetalum whitei (Ryder, 1881)
• Trigenotyla parca Causey, 1951