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LITHOEN

Geological time unit

Cenozoic

The most recent era of the Phanerozoic, beginning 66 million years ago and continuing to the present.

Classification

rank
era

How this record is known

1
Settled consensus
Cited as the accepted position of the discipline.

1 of 1 claims on this page cite at least one registered source. Counts describe how each statement is known, not how likely it is to be true.

What Lithoen records

Each claim states how it is known and cites its evidence.

Established66–0 Ma before present

On the International Chronostratigraphic Chart (v2024/12), the Cenozoic spans 66.0 to 0.0 million years before present.

  • definition basis: International Chronostratigraphic Chart v2024/12; the chronostratigraphic counterpart of the Cenozoic is the Cenozoic Erathem.
  • precision note: The chart states that numerical ages are subject to ongoing revision and do not define units; GSSPs do.

Evidence support: Supported by the cited evidence one source

Evidence: Cohen 2024 Primary authority

In the knowledge graph

Record last updated 2026-09-06. Corrections follow the published corrections policy; superseded claims are retained, never silently edited.