Florent's Guide To The

Tropical Reefs

Atlantic Thorny-Oyster
Spondylus americanus
Atlantic Thorny-Oyster
Category: Thorny Oysters
Scientific Name: Spondylus americanus
Size: 3 to 5 in. (8 to 13 cm)  
Depth: 50-130 ft. (15-40 m)
Distribution: Caribbean, Bahamas, Florida
Mollusca (Phylum)
└Bivalvia (Class)
 └Pectinida (Order)
  └Spondylidae (Family)
   └Spondylus (Genus)

Bivalves & Chitons
Thorny Oysters

Atlantic Thorny-Oyster

Bearded Thorny Oyster

Variable Thorny Oyster



All Photographs
© 2025 Florent Charpin