Acanthina punctulata

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Acanthina punctulata
An apertural view of a shell of Acanthina punctulata which is occupied by a hermit crab
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
(unranked): clade Caenogastropoda
clade Hypsogastropoda
clade Neogastropoda
Superfamily: Muricoidea
Family: Muricidae
Subfamily: Ocenebrinae
Genus: Acanthina
Species: A. punctulata
Binomial name
Acanthina punctulata
Sowerby, 1825)

Acanthina punctulata, common name the spotted unicorn, is a species of small predatory sea snail, a marine gastropod mollusk in the family Muricidae, the murex snails or rock snails.

A pair of Acanthina punctulata mating in a tide pool in central California.


This sea snail occurs from Monterey, California, to northern Baja California, Mexico.


Acanthina punctulata lives in the upper intertidal zone.


  • McLean, James H., 1978 ‘’Marine Shells of Southern California’’, Natural History Museum of Los Angeles County Museum, Science Series 24, Revised Edition: 1-104

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