Chordeumatida Koch, 1847
Causeyella Shear, 2003
Flagellopetalum Causey, 1951
Mexiterpes Causey, 1963
Nannopetalum Shear, 2003
Poterpes Causey, 1969
Scoterpes Cope, 1872
Spirostrephon Brandt, 1841
Trichopetalum Harger, 1872
Trigenotyla Causey, 1951
Tynopus Chamberlin, 1940
Zygonopus Ryder, 1881