Seashell. Shell of an unidentified sea snail. This shell is a calcium-rich structure secreted by a gastropod mollusc for protection. The animal can withdraw entirely into its shell when threatened. The chambers at the centre of the spiral (centre left) are the oldest,with successively larger whorls being added as the animal grows | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Gustoimages |
Bildgröße: | 4126 px × 3419 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |