Shell ovate, white, or suffused with rose pink, not in bands but generally, or in longitudinal flammules, with usually a white margin in front of the suture; there are six or seven whorls, the last more than half the length of the shell, regularly rounded and grooved by, on the last whorl, 20-30 strong, rather deep, coarsely punctate grooves between rounded interspaces; lines of growth quite perceptible, suture somewhat appressed, not channelled ; aperture more than half as long as the shell; outer lip thin, inner lip hardly callous, columella straight, without any chink behind it, and bearing a single moderate fold. Nucleus small, mostly immersed in the succeeding whorl, apex not acute, surface usually not polished but a little less coarsely sculptured than that of A. cumingii Adams. Lon. of the largest specimen, 10.0 mm; max. lat. 5.6 mm; Lon. of aperture, 6.0 mm.

Caribic. Bahama's and Cuba.

Type Locality: Blake sta. 19, 310 fms; sta. 50, 26°31'N, 85°53'W, 119 fms.; sta. 290, off Barbados, 73 fms.; sta. 100, off Morro Light, Havana, 250-400 fms.
Range: 26.52°N to 13.2°N; 85.88°W to 59.65°W
Depth: 135 to 567 m
Maximum Reported Size: 10 mm
Distribution: USA: Florida: West Florida; Cuba: Pinar del Rio, North Havana Province; Barbados