Eocene

(noun.) from 58 million to 40 million years ago; presence of modern mammals.

安娜校对

• In the same order or family to-day, the brain is usually from six to ten times what it was in the Eocene ancestor. 赫伯特·乔治·威尔斯. 世界史纲.
• We find fossils in the Eocene of monkeys and lemurs, but of one particular creature we have as yet not a single bone. 赫伯特·乔治·威尔斯. 世界史纲.
• In the forests and following the grass over the Eocene plains there appeared for the first time a variety and abundance of mammals. 赫伯特·乔治·威尔斯. 世界史纲.
• A number of types of mammal already appear in the Eocene. 赫伯特·乔治·威尔斯. 世界史纲.

录入:厄普顿