Answer:
Paleozoic, Mesozoic, and Cenozoic.
Explanation:
Earth's history is characterized by four eons; in order from oldest to youngest, these are ... Eras of the Phanerozoic: Paleozoic, Mesozoic, Cenozoic.
[PDF]Geological time with major evolutionary events in the fossil ...
https://www.aoml.noaa.gov › outreach › floridaseagrant › pdf_files › Trop...
https://www.digitalatlasofancientlife.org › learn › geological-time-scale