Home> Landscape > Sea Coast Submit Your Photo Slide Show No 6 Of 19 Prev    Next Shell-01  Publish Date : 28-02-2008 Hits : 95 Rating : Not rated A shell is a hard, rigid outer layer developed by a wide variety of different animal species, including mollusks, crustaceans, turtles and tortoises, armadillos, and microscopic organisms. Shells are used for protection, locomotion, defence, structure or in ways that relate to feeding. Scientific names for shell types include exoskeleton, armour, test, carapace, cuticle and peltidium. Rate This Photo 5 - Best4321 Add Your Comment Your Name * Your Comment * Enter Validation Code * Prev    Next