Spiny Oyster Jewelry

Spondylus is a genus of bivalve mollusks, the only genus in the family Spondylidae. As well as being the systematic name, Spondylus is the most often used common name for these animals, though they are also known as thorny oysters or spiny oysters.
Thorny oyster from East Timor. The “eyes” on this individual can be seen on the fringe between mantle and shell.