Shell (zoology)

A display of shells of marine mollusca, including abalone, scallop and blue mussel

A shell is a hard outer layer, which has evolved in a very wide variety of different animals, including molluscs, sea urchins, crustaceans, turtles and tortoises, armadillos, etc.[1]

Seashells

Seashells[2] are perhaps the most familiar and most common shells, both in the wild and for sale as decorative objects. They are usually composed of calcium carbonate, in the form of calcite or aragonite.[3] This can have different forms, one is nacre or mother of pearl. Other kinds of animal shells are made from chitin, bone and cartilage, or silica.

Other Languages
Afrikaans: Skulp
العربية: صدفة بحرية
беларуская (тарашкевіца)‎: Ракавіна
български: Раковина
čeština: Schránka
Cymraeg: Cragen
dansk: Konkylie
Deutsch: Muschelschale
eesti: Merikarp
Ελληνικά: Κοχύλι
English: Seashell
español: Concha
Esperanto: Konko
euskara: Maskor
فارسی: صدف
Gaeilge: Sliogán
galego: Cuncha
हिन्दी: कौड़ी
Ido: Konko
italiano: Conchiglia
ქართული: ნიჟარა
latviešu: Čaula
lietuvių: Kriauklė
Limburgs: Sjelp
Mìng-dĕ̤ng-ngṳ̄: Káe̤k-siŏh
Nederlands: Schelp
नेपाली: कौडा
日本語: 貝殻
norsk: Konkylie
oʻzbekcha/ўзбекча: Chigʻanoq
polski: Muszla
português: Concha
русский: Раковина
संस्कृतम्: वराटिका
Scots: Seashell
sicilianu: Cunchigghia
Soomaaliga: Angalool
Tagalog: Kabibe
ᏣᎳᎩ: ᎤᏯᏍᎦ
Türkçe: Denizkabuğu
українська: Черепашка
vèneto: Capa
粵語: 貝殼
中文: 貝殼