Testa sinistrorsa, anguste umbilicata, conico-globosa, aut flavido- aut viridi-olivacea, semper fasciis spiralibus purpureis angustis in anfr. ultimo picta; spira scalaris, magis minusve conica; apex obtusus. Anfr. 5½, superne vel acute angulati vel carinati, supra plani, carina interdum linea spirali impressa circumscripta, infra convexiusculi, sutura impressa disjuncti, irregulariter ruguloso-striati, spiraliter non lineati, ultrmus 3/5 altudinis aequans, convexus, modice inflatus, carina suturalis magis minusve evanescente, ad umbilicum compresso-carinatus, carina obtusa. Apertura subsemi-Mrcularis, intus alba, purpureo spiraliter fasciata, peristoma simplex, margine parietali brevi subprotracto, columellari inferoque modice incrassatis. — Operculum tenue, corneum, superne subangulatum, basi subrotundatum. Alt. 32—35, diam. max. 33½ — 34½, alt. apert. 21, lat. apert. 14—15 mm.