(Original description in Latin) The shell is small, eccentrically umbilicate, and similar in structure to those of the
Fruticicola. It is thin, horny, and uniform in color. From its pointed
apex, the
spire is somewhat scalariform (staircase-like) and carinate (keeled). There are 4 to 5 finely striated
whorls, which are flattened and concave due to a spiral groove; on the
body whorl, the keel sometimes fades away. The
aperture is oblique and generally subcircular, equipped with between 0 and 5 teeth. The
peristome is reflected and scarcely thickened. (Description in 2020 by Dumrongrojwattana, P. & Tanmuangpak, K.) The shell is small—measuring 1.5 mm in height and 2.9 mm in width—and possesses a helicoid shape that is either depressed or triangular, making it notably wider than it is high. Its color is a uniform brown or purplish hue. The apex is prominent, featuring a
protoconch that is either smooth or covered with a dense mesh of granular reticulation. The
teleoconch appears relatively smooth, though it is marked by uneven, oblique striae. The spire is slightly concave and, in some specimens, takes on a scalariform appearance. The body whorl can be either keeled or rounded and often features a distinct groove located below the suture. The shell is umbilicate, with an umbilicus that ranges from narrow to moderately narrow. Finally, the aperture is oblique and rounded, typically equipped with zero to five apertural teeth, while the peristome is thin and expanded. ==Species==