Discover our hand-picked collection of authentic Spiny Oyster Shells, also widely known as the Thorny Oyster Shell.  Perfect for collectors, coastal home decor, and unique jewelry crafting, these striking marine specimens showcase the natural brilliance of the Spondylus genus.  We carry premier species, including Spondylus leucacanthus and Spondylus princeps, available in highly sought-after sizes ranging from 4 inches to 6 inches.  The Spondylus genus consists of roughly 76 species of bivalve mollusks found in warm ocean waters worldwide. These specific spiny oysters are ethically sourced from rocky reefs at depths between 35 and 300 feet.  Their natural geographic range spans from Cedros Island, Baja California, down to Ecuador, including the rich waters of the Sea of Cortez (from Bahia de Los Angeles to Cabo San Lucas).