Usually in mammals tusks are enlarged canine teeth but in elephants they are actually elongated incisors and are essentially no different from other teeth one third of the tusk is actually hidden from view embedded deep in the elephants head. Gomphothere gomphothere had shovel like tusks that extended from a protruding lower jaw and a set of short upper tusks these flattened teeth appear to have been used to scoop up soft aquatic vegetation and to dig up roots the wear patterns on the tusks observed in one study . Narwhal tusks and teeth united states v andrew zarauskas d maine in january 2015 zarauskas was sentenced to 33 months in prison for unlawful trafficking of narwhal tusks and teeth and was ordered to forfeit 85089 six narwhal tusks and one narwhal skull and to pay a 7500 fine. The tusk is the equivalent of our incisor teeth the tooth on either side of our two front teeth it is made of ivory a material soft enough to be carved which is the root of the poaching problem all elephant teeth are ivory
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