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Janthinidae: Janthina globosa Swainson, 1822 (‘globose violet-snail’)
Synonym(s): globosa Swainson, 1826 prolongata Blainville, 1822.
Typical shell-length 30 mm. Lives afloat on ocean surface by means of a bubble-raft. Native. Occurs in eastern Australia (QLD, NSW, TAS and VIC); also widespread elsewhere in warm seas.
Classification
Class: Gastropoda
Subclass: Caenogastropoda – Sorbeoconcha
Order: Hypsogastropoda – Littorinimorpha
Superfamily: Epitonioidea
Family: Janthinidae
Genus: Janthina
Localities for Janthina globosa
![species image](https://molluscsoftasmania.org.au/wp-content/uploads/2017/12/Janthina-globosa_a.jpg)
![species image](https://molluscsoftasmania.org.au/wp-content/uploads/2017/12/Janthina-globosa_b.jpg)
![locality map](https://molluscsoftasmania.org.au/wp-content/uploads/2017/12/Janthina-globosa.jpg)