Categories > time periods > geologic time periods > Phanerozoic > Cenozoic
Tertiary
Period of geologic time approximately 65 to 1.8 million years ago. In new studies, this term is deprecated in favor of Neogene and Paleogene. https://doi.org/10.3133/fs20103059
Subtopics
Neogene
Paleogene
See also
(none)