Amastra moesta

(Original description) The shell is dextrorsal and turrito-conical, consisting of seven convex whorls adorned with fine longitudinal striations. The aperture is small, ovate, and slightly contracted. The columella is straight and marked by a prominent white spiral callus at its midpoint.

The shell's coloration is reddish-brown, with the upper whorls appearing black. The middle whorls feature black zigzag lines, while the body whorl is covered by a dark brown epidermis.^[2]

This marine species is endemic to Hawaii and occurs on Lanai.

• Cowie, R. H., Evenhuis, N. L. & Christensen, C. C. (1995). Catalog of the native land and freshwater molluscs of the Hawaiian Islands. Leiden: Backhuys Publishers. pp. 1–248.{{cite book}}: CS1 maint: multiple names: authors list (link)