Of, belonging to, or designating modern era of geologic time, which includes the Tertiary Period and also the Quaternary stage and it is described as the formation of modern-day continents, glaciation, plus the variation of mammals, wild birds, and flowers. See Table at geologic time.
Of a geologic age within the Phanerozoic eon comprising the Paleogene and Neogene durations from about 65 million years back to the present, if the continents relocated to their particular existing position and modern-day flowers and animals evolved.
from the latest unit of geological time, such as the tertiary, or Age of animals, while the Quaternary, or Age of guy. [Written additionally cænozoic, cainozoic, kainozoic.] See geology.
of or associated with or denoting the Cenozoic age