Diagnosis. Apex greatly curved inwards, located posteriorly, close to posterior apertural lip. Height ca. 40% of length. Sculpted by ca. 40 radial cords, regularly interrupted by concentric, less developed cords, forming nodes at intersections; mostly alternating wide and narrow cords. Slit ca. 30% of shell length.
Description. Shell size up to 7 mm; low, limpet-like; height ca. 40% of length. Pure white, ca. 10% of specimens with some pale beige pigmentation. Protoconch of 1.5 rounded whorls situated on right; smooth, glossy; size 230 µm. Slit anterior, rectangular, width ca. 20% of length; opened anteriorly; ca. 8% of shell width and ca. 30% of shell length; edges rather irregular . Profile highly curved ventrally, sagittal profile as arc (imaginary center of ark located below middle point of dorsal surface, ca. 20% away from aperture); beak located close to posterior margin of aperture. Sculpture of ca. 40 narrow radial cords; gradually more distinct towards aperture, wide and narrow cords disposed intercalating, narrow cords ca. 1/2-1/4 of wider cords; concentric cords regularly distributed from apex to aperture, ca. 1/2 to 1/3 width of primary radial cords; nodes at intersection of radial and concentric cords low in some specimens , but frequently forming spine-like projections about as thick as cords; interspaces twice as wide as primary cords, covered by concentric sculpture; interval between concentric sculpture approximately twice as wide as threads; median threads with ca. 40 concentric cords; well preserved specimens with periostracum forming additional transverse, wide pits in concavity formed by radial and concentric cords. Selenizone well-marked, edges sharp, as tall as adjacent radial cords; lunules regularly distributed. Aperture planar to slightly concave, outline elliptical, width ca. 70% of length; edges undulating due to radial cords; posterior lip flattened, planar, ca. 20% of shell length; mostly convex, rarely concave. Inner surface smooth, glossy; apex cavity moderately deep, ca. 20% of shell length.
Measurements (in mm). Holotype: 6.8 by 2.9 mm.

Type locality. Brazil. Espirito Santo; off Kaunas, continental slope of Abrolhos, 18°59'S 37°50'W, 295 m
Distribution. Continental slope off Espirito Santo, Brazil.
Habitat. Sandy-mud bottoms, 54-940 m (dead shells).