1. The fifth and final epoch of the Neogene Period, lasting from approximately 5.3 to 2.6 million years ago, characterized by cooling climate and the emergence of grasslands.
Usage: geology; often capitalized

1. Of, relating to, or denoting the Pliocene epoch or its rocks and fossils.
Usage: geology; often capitalized

Examples

• The Pliocene epoch saw the rise of many modern mammal species.
• Pliocene fossils have been discovered across Africa and Europe.
• During the Pliocene, sea levels were higher than they are today.
• Pliocene rocks in this region contain abundant marine deposits.
• Scientists study Pliocene climate patterns to understand modern climate change.