Higher Classification: > Kingdom Animalia > Subkingdom Eumetazoa > Phylum Mollusca > Class Gastropoda > Subclass Orthogastropoda > Subclass Caenogastropoda > Order Caenogastropoda incertae sedis > Superfamily Epitonioidea > Family Epitoniidae > Genus Janthina

Janthina exigua Lamarck, 1816

Rank: Species
Taxon Status: accepted

Relationships towards this taxon

Genus group names

*Janthina*	Röding, 1798	accepted genus name
*Amethistina*	[sic]	orthographic variant
*Ianthina*		orthographic variant
*Achates*	Gistel, 1848	synonym
*Janthina (Achates)*	Gistel, 1848	synonym

Vernaculars (+) (-)

English: dwarf janthina; ridged violet sea-snail sources: Cole, T. C. H. (2017). Wörterbuch der Wirbellosen / Dictionary of Invertebrates. Latein-Deutsch-English. 2017. Springer Spektrum: Berlin. ISBN 978-3-662-52869-3. XII, 574 pp.

German: Zwerg-Veilchenschnecke

Literature

original description	Lamarck, [J. B. P. A. de M. de]. (1816). Tableau encyclopédique et méthodique des trois règnes de la nature, Mollusques et polypes divers. Part 23 [Livraison 84, 14 December 1816], Tome 3, pp. 1-16, pls. 391-431, 431 bis, 431 bis*, 432-488, Paris: Vve Agasse.
basis of record	Laursen, D. 1953. The genus Ianthina: A monograph. Dana Report 38: 1-40, pl. 1.
basis of record	Beu, A. G. (2017). Evolution of Janthina and Recluzia (Mollusca: Gastropoda: Epitoniidae). Records of the Australian Museum. 69(3): 119-222.
additional source	Albany, R. L. (1940). A new character of the early stages of the mollusc Janthina exigua. The Nautilus. 54(2): 73.
additional source	Spencer, H.G., Marshall, B.A. & Willan, R.C. (2009). Checklist of New Zealand living Mollusca. Pp 196-219. in: Gordon, D.P. (ed.) New Zealand inventory of biodiversity. Volume one. Kingdom Animalia: Radiata, Lophotrochozoa, Deuterostomia. Canterbury University Press, Christchurch.
additional source	Maxwell, P. A. (2009). Cenozoic Mollusca. Pp 232-254 in Gordon, D. P. (ed.) New Zealand inventory of biodiversity. Volume one. Kingdom Animalia: Radiata, Lophotrochozoa, Deuterostomia. Canterbury University Press, Christchurch.
additional source	Steyn, D.G. & Lussi, M. (1998) Marine Shells of South Africa. An Illustrated Collector's Guide to Beached Shells. Ekogilde Publishers, Hartebeespoort, South Africa, ii + 264 pp.
additional source	Grove, S. 2011. The Seashells of Tasmania: A Comprehensive Guide. Taroona, Australia: Taroona Publications. [vi], 81.

Genbank

Citation

MolluscaBase eds. (2025). MolluscaBase. Janthina exigua Lamarck, 1816. Via: Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvantidis, C.; Appeltans, W. (2011) European Register of Marine Species, Accessed through PESI at http://www.eu-nomen.eu/portal/taxon.php?GUID=urn:lsid:marinespecies.org:taxname:140154