A period of Earth’s history that lasted from about 56 to 34 million years ago, known for the early evolution of many modern animal groups.
Word Origin: From Greek eos (“dawn”) and kainos (“new” or “recent”).
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A period of Earth’s history that lasted from about 56 to 34 million years ago, known for the early evolution of many modern animal groups.
Word Origin: From Greek eos (“dawn”) and kainos (“new” or “recent”).
« Back to Glossary Index