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Triassic
[trahy-as-ik]
adjective
noting or pertaining to a period of the Mesozoic Era, occurring from 230 to 190 million years ago and characterized by the advent of dinosaurs and coniferous forests.
noun
Also Trias the Triassic Period or System.
Triassic
/ traɪˈæsɪk /
adjective
of, denoting, or formed in the first period of the Mesozoic era that lasted for 42 million years and during which reptiles flourished
noun
the Triassic period or rock system
Triassic
The earliest period of the Mesozoic Era, from about 245 to 208 million years ago. During the early part of the Triassic Period the supercontinent Pangaea was located along the equator; by the end of the Triassic it had started to split up. Land life diversified in the Triassic in response to the mass extinctions of the end of the Paleozoic. Conifers, cycads, marine reptiles, dinosaurs, and the earliest mammals first appeared.
See Chart at geologic time
Other Word Forms
- post-Triassic adjective
Word History and Origins
Word History and Origins
Origin of Triassic1
Example Sentences
The fossils uncovered in this study date back about 200 million years to the end of the Triassic Period, a time when what is now the United Kingdom was located in warmer, tropical latitudes.
The species lived at the end of the Triassic period, during which the first dinosaurs and the ancestors of mammals started to appear, the researchers said.
"The bones of Triassic pterosaurs are small, thin, and often hollow, so they get destroyed before they get fossilised," explained Dr Kligman.
The study focused on a previously underexplored region, Polish Basin, located in the Late Triassic time in the in the northern parts of the then supercontinent Pangea.
The ancestors of dinosaurs were small omnivores, minor players in the Triassic ecosystem.
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