of, denoting, or relating to the most recent geological era, which began 65 000 000 years ago: characterized by the development and increase of the mammals
The second period of the Cenozoic Era and its system of deposits. 第四纪新生代第二纪及沉积系
aquatic or marsh-growing fern allies; known to have existed since the Cenozoic; sometimes included in Lycopodiales. 生活于水中或湿地的蕨类；从新生代生存至今；有时归于石松目之中。
A large, coin-shaped, fossil foraminifer of the genus Nummulites, widely distributed in limestone formations from the Eocene Epoch to the Miocene Epoch of the Cenozoic. 货币虫货币虫体形大而呈硬币状，化石有孔的虫，从始新世到新生代的中新世广泛分布在石灰岩地层中
Of, relating to, or being the geologic time and deposits of the epoch in the Tertiary Period of the Cenozoic Era that extended from the Eocene Epoch to the Miocene Epoch. 渐新世的新生代第三纪的，从始新世到中新世的地质年代的或沉积物的或与之相关的
【地质】新生代(的), 新生界(的)
柯林斯
百科