Erronea ovum
(Gmelin, 1791)
Shell: moderately small, solid, elongate to sub-pyriform, ranging from 24-30 mm.
Spire flattened, sometimes visible. Teeth: 20 columellar teeth; 16 labral teeth.
Sculpture: smooth, porcelaneous.
Aperture narrow and even.
Exterior colour dorsum oilve green with 3 blueish bands dusted ith fine, diffuse bron freckles a darker dowsum blotch is sometime spresent; base and margins cream; yellow beteen the teeth.