cuttlebone
Sign in to savethumb|Cuttlebone of Sepia officinalis (left to right: ventral, dorsal, and lateral views). The cuttlebone is about 15cm in length. thumb| thumb|Tortoise with cuttlebone thumb|Fossil cuttlebone of the Pliocene species [[Sepia rugulosa]] thumb|Fossilised cuttlebone-like gladius (cephalopod)|gladius of [[Trachyteuthis]]
Article
11 sectionsContents
- Human uses
- Bird calcium supplement
- Lime production
- Jewelry making
- Internal structure
- Mechanical properties
- Deformation process
- See also
- Explanatory footnotes
- References
- External links
thumb|Cuttlebone of Sepia officinalis (left to right: ventral, dorsal, and lateral views). The cuttlebone is about 15cm in length. thumb| thumb|Tortoise with cuttlebone thumb|Fossil cuttlebone of the Pliocene species [[Sepia rugulosa]] thumb|Fossilised cuttlebone-like gladius (cephalopod)|gladius of [[Trachyteuthis]]
Cuttlebone, also known as cuttlefish bone, is a hard, brittle internal structure (an internal shell) found in all members of the family Sepiidae, commonly known as cuttlefish, within the cephalopods. In other cephalopod families it is called a gladius.