Photo of Erronea cylindrica taken by Jenny Leong at Raja Ampat, Indonesia (verified by Scott Johnson)
Scientific Classification:
Kingdom
Animalia
Phylum
Mollusca
Class
Gastropoda
Subclass
Prosobranchia
Order
Sorbeoconcha
Family
Cypraeidae
Species
Erronea cylindrica
Information
Comment from expert, Scott Johnson: This is a cowry shell with its mantle up. A piece of the shell shows in the upper right side of the animal, and from there you can see the two folds of the mantle meet just to the right of the middle of the shell.