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Molluscs of Tasmania

Cavoliniidae: Diacria trispinosa (Blainville, 1821) (‘three-spined sea-butterfly’)

Synonym(s): trispinosa Blainville, 1821.

Typical shell-length 13 mm. Lives in offshore waters in midwater. Native. Occurs all around Australia (QLD, NSW, TAS, VIC, SA, WA and NT); also widespread in warmer oceanic waters worldwide.


Class: Gastropoda
Subclass: Heterobranchia
Order: Thecosomata
Superfamily: Cavolinioidea
Family: Cavoliniidae
Genus: Diacria

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