Cranopsis alaris: Diagnosis. Apex curved dorsally, performing wide arc, located in dorsal half. Height ca. 85% of length; width ca. 70% of length. Sculpted by ca. 48 radial cords, with transverse folds, interspaces minute. Foramen flanked by tall edges; located dorsally.
Description. Shell size ca. 3.5 mm; tall, bluntly conical, widely curved; height ca. 85% of length. Pure white. Protoconch of 1.5 rounded whorls; situated on right; smooth, glossy; ca. 200 µm. Foramen cuneiform (pointed anteriorly), width ca. 30% of length; located dorsally, preceding anterior slope; ca. 10% of shell width and ca. 20% of shell length; edges irregular, elevated ca. 10% total shell height, with distinct rounded profile. Groove anterior to fissure narrow; flanked by cords of similar size as neighbor cords; length ca. 70% of shell height. Shell profile high, rounded, beak curved dorsally, forming wide arc (almost scalariform), located posteriorly, exceeding posterior end of aperture by ca. 15% of shell length (in dorsal view), dorsal to middle shell height; teleoconch of 1.25 whorls, total angle ca. 50°. Sculpture of 48 broad primary radial cords, with wide folds, with longer axis parallel to aperture; cords gradually increasing in width towards aperture, width of cords ca. 5% of apertural length; in ventral third 4-5 intermediary cords gradually appearing; each fold slightly elevated, pustule-like, ca. 4 times longer than wide, separated from neighbor folds in line by space ca. ¼ of its width; interspaces ca. 1/10 cords width; ca. 60 pustules along cords close to median line. Selenizone short, shallow, narrower than foramen; edges simple, low; lunules dense. Aperture planar to slightly convex, outline elliptical, width 71% of length; edges slightly denticulated by radial sculpture. Inner surface smooth, glossy. Septum ca. 60% shell height; ca. 3 times higher than wide; ventral edge slightly concave, ca. 35% of aperture width; gradually narrowing up to posterior edge of fissure.
Measurements (in mm). Holotype: 3.3 by 2.3mm

Cranopsis alaris: Type locality. Brazil. Espirito Santo; off Itaunas, continental slope of Abrolhos, 18°59'S 37°50'W, 295 m
Distribution. Continental slope off Ceara to Rio de Janeiro, Brazil.
Habitat. Sandy-mud bottoms, 250^450 m, with a single eroded young shell collected in 3450 m (dead specimens).