Neopilina_slash_VemaTryblidium_slash_PilinaScenellaAcaenoplax_v26Acaenoplax_v7dMattheviaHemithecellaPreacanthochitonCalceochitonSeptemchitonSolenocarisHelminthochiton_thraivensisHelminthochiton_griffithiPaleochitonKindbladochitonIvoechitonGotlandochiton_hamiCobcrephoraChelodesSpicuchelodesGotlandochitonThairoplaxPlectrochitonAlastegaHeloplaxEnetoplaxArctoplaxChitonGryphochitonStrobilepis_slash_DiadeloplaxConodiaElongataRobustumOsteologyMaximum ParsimonyBased on reanalysis of the original matrix.Cherns_2004a