Home|Search|Identify|Taxonomic tree|Quiz|About this site|Feedback
Developed by ETI BioInformatics
Characteristics, distribution and ecology
Taxonomische classification
Synonyms and common names
Literature references
Images, audio and video
Distribution map
Links to other Web sites

(Montagu, 1803)

Description (shell):
Shell tall, narrow, conical, up to 14 flat-sided whorls; sutures deep. Sculpture of spiral striae and transverse costae, interacting to give three rows of close set, rounded tubercles (more elongate near aperture); base of last whorl devoid of tubercles but with two spiral ridges. Aperture small, narrow, oval with short siphonal canal; canal wall with conical notch on abapertural side. Outer lip crenulate, inner lip reflected over columella; no umbilicus (C. tubercularis-drawing).

Up to 6.5 x 2.3 mm.

Chestnut-brown, tubercles and columella pale.

Head without a snout; cephalic tentacles long, slender, setose at tip. Mantle edge simple, drawn out into short siphon on the left. Foot with a propodial flap behind anterior margin; prominent posterior pedal gland on sole. Operculum thin, spiral, with few turns; opercular lobes large.

On sponges (Halichondria panacea and Hymeniacidon perleve ), particularly where associated with Lomentaria, Corallina and other fine red algae; from LWST to 100 m. Most abundant in March and August- September.

Distributed from Azores and Mediterranean to Norway (Distr. C. tubercularis).

Cerithiopsis tubercularis