Taxon profile


Globose Violet-snail
Janthina exigua Lamarck, 1816

kingdom Animalia - animals »  phylum Mollusca - mollusks »  class Gastropoda - gastropods »  order Unassigned Caenogastropoda »  family Janthinidae - Purple Sea Snails »  genus Janthina


Taxon in country check-lists*

* List of countries might not be complete


Shell small, thin, fragile, colour violaceous with whitish band below the sutures, conically turbinate. Spire about half the length of shell. Whorls rounded, slightly obtusely angular about the middle. Sculptured with fine, somewhat irregular, oblique, radial striae. Interior light violet. Aperture somewhat ovate; outer lip very thin possessing a deep sharply angular sinus almost centrally situated; columella slightly reflected. Size: 0,5 inch.
Macpherson, J.H. & Gabriel, C.J., 1962. Marine Molluscs of Victoria.

Interchangeable taxa

This is the smallest Violet Sea Snail in Victoria, easy to recognize by its radially sculptured whorls and deep angular sinus.
Macpherson, J.H. & Gabriel, C.J., 1962. Marine Molluscs of Victoria.
Author: Jan Delsing

Links and literature

EN Galli C.: WMSDB - Wolrdwide Mollusc Species Data Base July 10, 2013 [] [as Janthina exigua Lamarck, 1816]
Data retrieved on: 23 November 2013
IT Repetto G., Orlando F. & Arduino G. (2005): Conchiglie del Mediterraneo, Amici del Museo "Federico Eusebio", Alba, Italy [as Janthina exigua Lamarck, 1816]

Contributions to BioLib

Help us to expand this encyclopedia! If you are logged in, you can add new subtaxa, vernacular and scientific names, texts, images or intertaxon relationships for this taxon.