'Mammutidae'是拉丁语词汇，也是地质学或古生物学中的一个概念，指的是猛犸科动物，是一类已经灭绝的大型哺乳动物。在古生物学界，猛犸科动物曾经是地球历史上最大的陆地哺乳动物之一，生存时间跨越了整个新第三纪时期。
以下是9个例句：
1. 猛犸属是一种已经灭绝的大型哺乳动物。Mammutidae is an extinct family of large mammals.
2. 猛犸象化石的发掘开启了研究新第三纪时期的大门。Excavation of mammoth fossils opened the door to the study of the Neogene period.
3. 猛犸的骨骼结构非常适应寒冷的环境。The bone structure of mammoths was well suited to cold environments.
4. 猛犸象的牙齿是其较为明显的特征之一。The teeth of mammoths were one of their most prominent features.
5. 猛犸象在新第三纪时期的地理分布相对广泛。Mammoths had a relative widespread distribution during the Neogene period.
6. 猛犸的形态与现代的象类动物相似。The morphology of mammoths was similar to that of modern elephantid animals.
7. 猛犸是古生物学中的重要研究对象之一。Mammoths are an important subject of study in paleontology.
8. 猛犸的骨骼化石能够提供关于古生态系统的信息。Fossilized mammoth bones can provide information about ancient ecosystems.
9. 猛犸种群数量的变化可能与气候变化有关。The fluctuation of mammoth populations may have been related to climate change.
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