« Shell minute, smooth, with five rather tumid suboblique whorls. Aperture oval elongate; margins entire, thin, somewhat reflected, with a slight constriction of the labial side. Suture simple. Apex round, obtuse, slightly bent. Colour white or of a pale yellow. » – W. Clark: “On the Conovulidae, Tornatellidae and Pyramidellidae”, Annals and Magazine of Natural History series 2 vol. VI, London 1850, p.459.

The profile of the lip varies widely in adult specimens, while it remains more orthocline in subadults, as it can be seen on this picture, two whorls above the aperture. The species was named after « a lady at Exmouth, who has devoted her leisure to the cultivation of natural history, and by her illustrations and discoveries in the departments of algology and conchology has done much to promote the advancement of science. »