Clypeastroida (order)
Identification code: 300258754
Español: Clypeastroida (traducció pendent) (order (traducció pendent)) | Català: clypeastroida (order (traducció pendent))
Hierarchy classification:
Alternative term/s
- Clypeasteroida
- dollars, sand
- sand dollar
- sand dollars
- sand-dollars
Anotations
Scope note:
Members of an order of marine invertebrates having a flat, disk-shaped body, lacking the spherical symmetry of other echinoderms, but having five- or six-rayed markings on their surface; living on the sandy sea bottom of coastal North America south of the Arctic.
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