Neogene
/ˈniːədʒiːn/adjective
1- Geology of, relating to, or denoting the later division of the Tertiary period, comprising the Miocene and Pliocene epochs【地质】（与）晚第三纪（有关）的; （与）上第三系（有关）的。
1.1
- as noun the Neogene the Neogene sub-period or the system of rocks deposited during it晚第三纪; 上第三系。
The Neogene lasted from about 23 to 1.6 million years ago. The mammals continued to evolve during this time, developing into the forms that are familiar today.
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