acantharchus achluachrach annulatascus anshunsaurus arachnanthus arthashastra atlach-nacha atlatlahucan austracantha castcatsacts catchascatch catharanthus cha-cha-chas chachacharts chalanchulan clachnaharry crassacantha cratacanthus cyttaranthus halsanaustan huanansaurus huatlatlauca hurry-scurry huun-huur-tu lalruatthara narayanastra narayansthan nassausaunas nulla-nullas rhynchanthus sh-h-h-h-h-h shastasaurus structurally struthanthus tartartartan tarushcancha tatararatata tattarrattat thylacanthus trans-sahara transannular transnatural turnturnturn utatsusaurus yanashallash yuanansuchus