Sea Cookie
Clypeaster subdepressus

A large, domed, thick-shelled relative of the sand dollar, sometimes over six inches across.
- Typical size
- 3–8 in
- How often it turns up
- Uncommon
- Collecting
- Restricted
- Handling
- May be alive
Only collect empty tests.
How to tell it apart
- Thick domed profile, not flat
- No slots through the test
- Broad five-petal pattern on top
Found one?
Photograph it and BeachNut will rank the likely matches, then log it to your collection.
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