Galapagos Species Database

Shell pupoid-conic, rimate, 5.5 convex whorls, the last one larger, with growth lines; peristome rounded, pustulae conic and quadrangular, abundant and homogeneous on the lip and inside the aperture; five apertural barriers; angular and parietal lamellae joined as a bifid lamella, slightly differentiated; angular lamella rounded, upon the parietal; parietal lamella rounded, slightly prolonged posteriorly; columellar lamella thin, semicircular as stepped, wall and lamella expanded; basal fold semicircular, slightly prolonged in inner of aperture; lower-palatal fold semicircular, close to the aperture, wall slightly expanded, and more expanded posteriorly; upper-palatal fold semicircular, prolonged, expanded posteriorly. Barriers formula: [ap + c] l + [b + lp + up] f. (Miquel & Brito, 2019).