| Janthina
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| A unknown Janthina species with a large bubble raft made from snail mucus.
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| A drawing of a live Janthina janthina with its bubble raft intact
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| Scientific classification
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| Kingdom:
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Animalia
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| Phylum:
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Mollusca
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| Class:
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Gastropoda
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| Subclass:
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Caenogastropoda
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| Order:
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incertae sedis
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| Superfamily:
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Epitonioidea
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| Family:
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Epitoniidae
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| Genus:
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Janthina
Röding, 1798
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| Species
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See text
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| Synonyms
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- Achates Gistel, 1848 (unnecessary substitute name for Janthina)
- † Acrybia (Hartungia) Bronn, 1861
- Amethistina [sic] (misspelling for Ametistina Schinz, 1825)
- Ametistina Schinz, 1825 (suppressed by ICZN Opinion 989)
- † Hartungia Bronn, 1861
- † Heligmope Tate, 1893
- Ianthina (Ianthina is an emendation or an incorrect subsequent spelling of Janthina. It was used indifferently with Janthina by 19th century authors and has remained sporadically in use throughout the 20th century.)
- Ianthina (Iodina) Mörch, 1860
- Iodes Mörch, 1860
- Iodina Mörch, 1860
- Janthina (Achates) Gistel, 1848
- Janthina (Iodes) Mörch, 1860
- Janthina (Iodina) Mörch, 1860
- Janthinus Montfort, 1810 (unjustified emendation of Janthina)
- Jantina [sic] (misspelling)
- † Kaneconcha Kaim, Tucholke & Warén, 2012
- † Parajanthina Tomida & Itoigawa, 1982 †
- Violetta Iredale, 1929
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Janthina is a genus of small to medium-sized pelagic or planktonic sea snails that belongs to the family Epitoniidae. Species in this genus occur worldwide in tropical, subtropical and warm seas.
The common names for this genus derive from the light purple or violet color of the shells and the violet-colored bodies. The other genera in the family, Recluzia, has olive-tan colored shells.