smithiaeIschyrotoma_anataphraDimeropygiella_blandaDimeropygiella_cf_blandaIschyrotoma_borealisDimeropygiella_caudanodosaDimeropygiella_fillmorensisIschyrotoma_juabensisDimeropygiella_mccormickiPseudohystricus_obesusPseudohystricus_orbusDimeropygiella_ovataIschyrotoma_parallelastubblefieldiIschyrotoma_twenhofeliIschyrotoma_wahwahensisDimeropygiella_spT_spOsteologyMaximum ParsimonyBased on reanalysis of the original matrix.Adrain_etal_2001a