Triassic - Wikipedia
The Triassic is the first and shortest period of the Mesozoic Era and the seventh period of the Phanerozoic Eon. Both the start and end of the period are marked by major extinction events. [10] The Triassic Period is subdivided into three epochs: Early …
Triassic Period | Plants, Animals, Major Events, & Facts - Britannica
4 天之前 · Triassic Period, in geologic time, the first period of the Mesozoic Era. It began 252 million years ago, at the close of the Permian Period, and ended 201 million years ago, when it was succeeded by the Jurassic Period.
Triassic Period Facts and Information | National Geographic
Learn about the time period that took place 251 to 199 million years ago. The start of the Triassic period (and the Mesozoic era) was a desolate time in Earth's history.
Triassic Period Facts: Climate, Animals & Plants - Live Science
2014年2月11日 · The Triassic period was the first period of the Mesozoic era and occurred between 251.9 million and 201.3 million years ago. It followed the great mass extinction at the …
The Triassic Period: the rise of the dinosaurs - Natural History …
The Triassic Period (252-201 million years ago) began after Earth's worst-ever extinction event devastated life. The Permian-Triassic extinction event, also known as the Great Dying, took place roughly 252 million years ago and was one of the most significant events in …
Triassic Period—251.9 to 201.3 MYA - U.S. National Park Service
2023年4月28日 · The lineage of many modern-day reptiles began in the Triassic Period, including crocodiles, lizards, and turtles. Other now-extinct reptiles first appeared during the Triassic: the fish-like ichthyosaurs and plesiosaurs with their long limbs and necks and small heads.
Triassic Period summary | Britannica
Triassic Period, Interval of geologic time, c. 252.2–201.3 million years ago, that marks the beginning of the Mesozoic Era. Many new vertebrates emerged during the Triassic, heralding the major changes that were to occur in both terrestrial and marine life …
Triassic Period - Reptiles, Mammals, Evolution | Britannica
4 天之前 · The Triassic Period is characterized by few geologic events of major significance, in contrast to the subsequent periods of the Mesozoic Era (the Jurassic and Cretaceous periods), when the supercontinent Pangea fragmented and the new Atlantic and Indian oceans opened up.
Triassic Life, Extinction, and Recovery | Smithsonian National …
paleontology, fossil record, mass extinction, volcanism, dinosaur evolution, Triassic period . Key Concepts. Life during the Triassic; Extinction at the end of the Triassic; Rise of the dinosaurs; Interpreting ecosystem changes through fossils; Technology …
The Triassic, Jurassic, and Cretaceous Periods - ThoughtCo
2024年7月21日 · The Triassic period wasn't nearly as lush and green as the later Jurassic and Cretaceous periods, but it did see an explosion of various land-dwelling plants, including cycads, ferns, Gingko-like trees, and seed plants.