Ring Cowry (species: Monetaria annulus) in taxonomy (Lizard Island Field Guide)
Monetaria annulus
Ring Cowry

©Anne Hoggett: Monetaria annulus at Lizard Island. Shell is about 25 mm long.

©Anne Hoggett: Underside of Monetaria annulus at Lizard Island.

©Anne Hoggett: Monetaria annulus at Lizard Island, same specimen as in photos above.
Kingdom Animalia
Phylum Mollusca
Class Gastropoda
Order Littorinimorpha
Family Cypraeidae
Genus Monetaria
Species Monetaria annulus



Distinguishing features

Distinguishing features still need to be specified.


  • Up to 3 cm (length according to Wilson (1993))



©Atlas of Living Australia: Australian distribution

Web resources


References that assist with identification

  • Wilson, B. (1993). Australian Marine Shells: 1. Prosobranch gastropods Odyssey Publishing, Kallaroo, Western Australia.

Other references

  • Robertson, R. (1981). List of shell-bearing mollusks observed and collected at Lizard Island, Great Barrier Reef, Australia, Tryonia, 4: 1-32. LIRS catalog number 403.