谷臻小简·AI导读系列浓缩一本书最精华的10%，替你做好读书摘要，保留全书知识体系内容简介本书讲述了渐新世和始新世时期哺乳动物的崛起，介绍了早期哺乳动物的种类、特征、生存方式等。不仅对灭绝的和现生的哺乳动物类群进行了广泛和详细的阐述，而且还描绘了气候、地理等非生物事件在物种多样性和生物地理学上如何改变了哺乳动物的现存版图。
Availability can change throughout the month based on the library's budget. You can still place a hold on the title, and your hold will be automatically filled as soon as the title is available again.
The OverDrive Read format of this ebook has professional narration that plays while you read in your browser. Learn more here.
Your session has expired. Please sign in again so you can continue to borrow titles and access your Loans, Wish list, and Holds pages.
If you're still having trouble, follow these steps to sign in.
Add a library card to your account to borrow titles, place holds, and add titles to your wish list.
Have a card? Add it now to start borrowing from the collection.
The library card you previously added can't be used to complete this action. Please add your card again, or add a different card. If you receive an error message, please contact your library for help.