All_zero_ancestorCymatosaurus_erythreusCymatosaurus_fridericianusCymatosaurus_gracilis_ICymatosaurus_gracilis_IICymatosaurus_latifronsCymatosaurus_latissimusCymatosaurus_silesiacus_ICymatosaurus_SMNS_10977Cymatosaurus_BRG_uncatOsteologyMaximum ParsimonyBased on reanalysis of the original matrix.Rieppel_1997aa