Any of several very large, extinct proboscidian mammals of the genus Mammut(sometimes Mastodon), resembling the elephant but having molar teeth of a different structure.

• 乳齿象美洲乳齿象属（有时为乳齿象）的几种已灭绝的高大、长鼻的哺乳动物，与大象外形相似，但臼齿结构不同