For other uses, see Tusk (disambiguation). Tusk can refer to a number of things: A tusk is an extremely long tooth, possessed by certain mammals, that sticks out of the mouth when its closed. ...

Pacific Walrus at Cape Peirce

A tusk is an extremely long tooth of certain mammals that protrudes when the mouth is closed. Tusk-bearing mammals include elephants, warthogs, walruses, and narwhals. Public Domain U.S.Fish & Wildlife Service Pacific Walrus at Cape Peirce http://images. ... Public Domain U.S.Fish & Wildlife Service Pacific Walrus at Cape Peirce http://images. ... A humans visible teeth. ... Subclasses & Infraclasses Subclass †Allotheria* Subclass Prototheria Subclass Theria Infraclass †Trituberculata Infraclass Metatheria Infraclass Eutheria Mammals (class Mammalia) are warm-blooded, vertebrate animals characterized by the presence of sweat glands, including those that produce milk, and by the presence of: hair, three middle ear bones used in hearing, and a neocortex... For other uses, see Mouth (disambiguation). ... Genera and Species Loxodonta Loxodonta cyclotis Loxodonta africana Elephas Elephas maximus Elephas antiquus † Elephas beyeri † Elephas celebensis † Elephas cypriotes † Elephas ekorensis † Elephas falconeri † Elephas iolensis † Elephas planifrons † Elephas platycephalus † Elephas recki † Stegodon † Mammuthus † Elephantidae (the elephants) is a family of pachyderm, and the only remaining family in the order Proboscidea... Binomial name (Pallas, 1766) This article is about the animal. ... Binomial name (Linnaeus, 1758) Distribution of Walrus Subspecies Walruses (Odobenus rosmarus) are large semi-aquatic mammals that live in the cold Arctic seas of the Northern Hemisphere. ... Binomial name Linnaeus, 1758 Narwhal range (in blue) The Narwhal (Monodon monoceros) is an Arctic species of cetacean. ...

Tusks are used to produce ivory, which is used in artifacts and jewelry, and formerly in other items such as piano keys. This article or section does not cite its references or sources. ... Jewelry (the American spelling; spelled jewellery in Commonwealth English) consists of ornamental devices worn by persons, typically made with gems and precious metals. ... A short grand piano, with the top up. ...

Since most tusk-bearing mammals are endangered (especially the African elephant), the ivory trade is severely restricted by the United Nations Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES). It is unknown if or when this restriction will end. An endangered species is a species whose population is so small that it is in danger of becoming extinct. ... Distribution of Loxodonta africana (2007) Species Loxodonta adaurora (extinct) Loxodonta africana Loxodonta cyclotis African elephants are the two species of elephants in the genus Loxodonta, one of the two existing genera in Elephantidae. ... UN and U.N. redirect here. ... The Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES) is an international agreement between Governments, drafted as a result of a resolution adopted in 1963 at a meeting of members of the World Conservation Union (IUCN). ...

External links

• Carved Ivory Tusk