Ringicula cf. spec 1

(Figure 26)

Material. Tiep2 (1) RGM 961.817.

Characterization. Shell medium-sized; H 4.10 mm, W 3.18 mm; protoconch slightly elevated, 1.1 whorl, DP 0.27 mm; nucleus moderately small, DN 0.16 mm; teleoconch with distinct subsutural ridge and groove; additional sculpture of 11 irregularly spaced spiral grooves on the body whorl; lip not crenulated; thin parietal callus with nearly obsolete lamella; posterior sinus rather shallow.

Remarks. See remarks at Ringicula spec 1.