MarrellomorphaSidneyiaEmeraldellaCindarellaXandarellaSinoburiusRetifaciesKuamaiaHelmetiaSkioldiaSaperionTegopelteLiwiaTariccoiaSoomaspisMisszhouiaNaraoiaEoredlichiaOlenoidesOsteologyMaximum ParsimonyBased on reanalysis of the original matrix.Edgecombe_et_Ramskold_1999a