Carenzia inermis Quinn, 1983

(Figure 1C)

Carenzia inermis Quinn, 1983a: 362, figs 13–16. Holotype LACM 1806. Cascadia Abyssal Plain, Oregon, 2820 m.

Description. Shell to 7 mm, white, whorls inflated, suture impressed; base convex, basal angulation indistinct; umbilicus narrow, with funiculus arising from columellar wall. Mid-whorl carination of early whorls faint; later whorls nearly smooth, with weak spiral threads; growth lines showing V-shaped sinus below suture and less prominent basal sinus.

Distribution. Off Oregon (44.5˚N, 125.5–128˚W). 2800 m.