of a geologic era within the Phanerozoic eon comprising the Paleogene and Neogene periods from about 65 million years ago to the present, when the continents moved to their current position and modern plants and animals evolved
of a geologic era within the Phanerozoic eon and comprises the Paleogene and Neogene periods from about 65 million years ago to the present, when the continents moved to their current position and modern plants and animals evolved
(sen-zoik, sen-)adj Of, belonging to, or designating the latest era of geologic time, which includes the Tertiary Period and the Quaternary Period and is characterized by the formation of modern continents, glaciation, and the diversification of mammals, birds, and plants [Back To Top]
The most recent era of geologic time, extending from the close of the Mesozoic about 65 million years ago to the present
The youngest Era of geological time spanning from approximately 65 millions of years ago to the present, consisting of the Tertiary and Quaternary Periods
adj Of, belonging to, or designating the latest era of geologic time, which includes the Tertiary and Quaternary periods and is marked by the evolution of mammals, birds, plants, modern continents, and glaciation
Third of the major eras of Earth history, and the interval of time during which the continents assumed their modern configurations and geographic positions. It was also the time when the Earth's flora and fauna evolved toward those of the present. The Cenozoic, from the Greek for "recent life," began 65 million years ago and is divided into two periods, the Tertiary (65-1.8 million years ago) and the Quaternary (1.8 million years ago to the present)