Florent's Guide To The

Tropical Reefs

King Helmet
Cassis tuberosa
King Helmet
Category: Helmet Shells
Scientific Name: Cassis tuberosa
Size: 4 to 6 in. (10 to 15 cm)  
Depth: 10-35 ft. (3-12 m)
Distribution: Caribbean, Bahamas, Florida
Mollusca (Phylum)
└Gastropoda (Class)
 └Caenogastropoda (Subclass)
  └Littorinimorpha (Order)
   └Cassidae (Family)
    └Cassis (Genus)

All Photographs
© 2025 Florent Charpin