Trichopetalidae Verhoeff, 1914
Trichopetalum appropinquo (Causey, 1969)
Trichopetalum cornutum Cook & Collins, 1895
Trichopetalum dux (Chamberlin, 1940)
Trichopetalum flavidum Bollman, 1888
Trichopetalum glomeratum Harger, 1872
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)
