Atlantic Giant Cockle
Dinocardium robustum
A big, heart-shaped cockle banded in chestnut and cream, often the largest intact bivalve on a Gulf beach.
- Typical size
- 3–5 in
- How often it turns up
- Common
- Collecting
- Restricted
- Handling
- Safe to handle
Florida allows no live shelling in many counties and parks. If the animal is still inside, photograph it and put it back where you found it.
How to tell it apart
- Heart-shaped in side profile
- Strong radiating ribs with brown banding
- Salmon or pink flush inside
Found one?
Photograph it and BeachNut will rank the likely matches, then log it to your collection.
Identify a find
