The Mesozoic Era[3] is the era of Earth's geological history, lasting from about 252 to 66 million years ago, comprising the Triassic, Jurassic and Cretaceous Periods. It is characterized by the …

The Geologic Time Scale is divided into four eons, ten eras, 22 periods, and several epochs and ages. Each eon, era, period, and epoch is defined by major geological or paleontological …

May 13, 2025 · Scientists use the geologic time scale to organize Earth's long history into eons, eras, and periods. The Phanerozoic eon is known for the appearance and dominance of …

The major divisions of the Mesozoic Era are, from oldest to youngest, the Triassic Period, the Jurassic Period, and the Cretaceous Period. The ancestors of major plant and animal groups …

The Mesozoic era is divided into the Triassic, Jurassic, and Cretaceous periods. The three periods of the Mesozoic era. Image by Jonathan R. Hendricks. This work is licensed under a …

Jun 12, 2024 · After the Jurassic era came the mesozoic era.The Mesozoic Era is a period from about 250 million years ago to about 67 million years ago. It is called the Age of …

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 …

After the Mesozoic Era comes the Cenozoic Era. The Cenozoic Era is often called the "Age of Mammals" because it's when mammals became the dominant land animals. It started about …

The names of the eras in the Phanerozoic eon (the eon of visible life) are the Cenozoic ("recent life"), Mesozoic ("middle life") and Paleozoic ("ancient life"). The further subdivision of the eras …

The first period of the Cenozoic era (after the Mesozoic era and before the Quaternary period).