The
shell is small to medium size, varying between 25 and 35.3 mm, with a broad, slightly bulging or conical shape. The
spire of the shell is moderate height, often worn down, and has a straight or curved shaped. Most shells are brown with small, white triangular markings, but in some morphs background colour is variable with yellow, orange, or white. The living animal is light purple colour with areas of dark purple. ==Distribution==