Conical shell up to 10mm in length (6mm in height) with slit in the anterior margin. White both inside and out. The surface is sculptured with a coarse reticulate pattern with 25-35 radiating ridges.
- Coarse sculpturing of shell surface
- Apex is close to the centre of the shell
Lives on the underside of rocks which harbour growths of sponge on which it feeds. An exhalent siphon is projected through the slit.
Found on all Atlantic coasts.