A third, found near another village called Krestovka, was dated at between 1.1m and 1.2m years.

第三个是在另一个叫做克列斯托夫卡的村庄附近发现的，它的年代在110万到120万年之间。

The teeth held other surprises. The Krestovka mammoth belongs to a previously unknown branch of the mammoth family tree, an ancestor of the Columbian mammoth which roamed North America 1.5m years ago.

这些牙齿还包含着其他惊喜。克雷斯托夫卡猛犸象属于猛犸象家族的一个未知分支，该分支是150万年前生活在北美的哥伦比亚猛犸象的祖先。