
Mesozoic - Wikipedia
The Mesozoic Era[3] is an era of Earth's geological history, lasting from about 252 to 66 million years ago, comprising the Triassic, Jurassic and Cretaceous Periods.
Mesozoic Era | Geology, Climate & Lifeforms | Britannica
Mar 23, 2026 · Mesozoic Era, second of Earth’s three major geologic eras of Phanerozoic time. Its name is derived from the Greek term for “middle life.” The Mesozoic Era began 252.2 million years ago, …
Mesozoic | U.S. Geological Survey - USGS.gov
Mesozoic (252-66 million years ago) means 'middle life' and this is the time of the dinosaurs. This era includes the Triassic, Jurassic, and Cretaceous Periods, names that may be familiar to you.
Mesozoic Era - U.S. National Park Service
Apr 27, 2023 · The Mesozoic Era (251.9 to 66.0 million years ago) was the "Age of Reptiles." During the Mesozoic, Pangaea began separating into the modern continents, and the modern Rocky Mountains …
The Mesozoic Era - University of California Museum of ...
Mesozoic means "middle animals," and is the time during which the world fauna changed drastically from that which had been seen in the Paleozoic. Dinosaurs, which are perhaps the most popular …
What Was Earth Like During the Mesozoic Era?
Aug 1, 2025 · The Mesozoic Era, known as the “Age of Reptiles,” was a time of rising giants, vanishing seas, splitting continents, and fierce, radiant evolution. Dinosaurs would rule the land.
The Mesozoic Era - ScienceViews.com
The Mesozoic Era is the age of the dinosaurs and lasted almost 180 million years from approximately 250 to 65 million years ago. This era includes 3 well known periods called the Triassic, Jurassic, and …