Acteon spec 1

(Figures 6–7)

2008 “ Acteon ” spec 2—Valdés: p. 633, figs. 22B, 23.

Material. Anda4 (2) RGM 961.768, Roxas (1) RGM 961.769, Tiep5 (1) RGM 961.771.

Characterization. Shell small, tall, with flattened convex sides; H 1.97 mm, W 1.22 mm; protoconch slightly elevated, 1.2 whorl, DP 0.65 mm; nucleus small, DN 0.21 mm; teleoconch 1.8 whorl; lower two-thirds of teleoconch whorls sculpted with fine punctuated spiral grooves, becoming stronger towards base; interspaces large, becoming smaller towards base; separate weak punctuated spiral groove develops on upper one-third of first teleoconch whorl; suture weakly channeled with punctuated spiral groove broader than grooves on rest of whorl; aperture narrow; columella with weak single fold; umbilicus very narrow.

Distribution. Philippines, in 155–167 m (Valdés, 2008).