Seguenzia macleani Geiger, 2017

(Figure 2 C–D)

Seguenzia macleani Geiger, 2017: 231, figs 25–28. Holotype LACM 3321, 5100 m, Aleutian Trench, Alaska.

Description. Shell to 9.6 mm, globular inflated, suture little impressed; spiral cords decreasing in strength from shoulder to base, one on shoulder, one at suture, a good dozen on base; crossed by fine axial lines; umbilicus wide, no funiculus; columella not thickened.

Distribution. Western Aleutian Islands, Alaska (175˚W) to off Oregon (45˚N). Abyssal plain, 5100 m.