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What is Triassic?

The Triassic (tri-ass-ic) is the earliest period of the Mesozoic era, right smack-bang inbetween the Permian and Jurassic periods.

During the Triassic (roughly 252 to 201 million years ago) the world was a single 'C' shaped super-continent known as Pangea (a Greek term meaning "all the land"), cutting right through the equator from pole to pole and surrounded by Panthalassa (funnily enough, a Greek term meaning "all the sea").

Just before the first Archosaurs - the ruling lizards - began to evolve the world was subjected to the most destructive mass extinction since time began. This was far worse than the K-Pg extinction that saw off all non-bird dinosaurs at the end of the Cretaceous, with some experts estimating that 95% of all life forms were destroyed. Never had life on earth been so close to total annihilation but, on the plus side, many eco-systems were now empty and available on long-term lets, so the archosaurs (including dinosaurs) and crocodile-like rauisuchians began their march to global domination.

T
R
I
A
S
S
I
C
EARLY TRIASSIC Induan 252 - 251 mya
Olenekian 251 - 247 mya
MIDDLE TRIASSIC Anisian 247 - 242 mya
Ladinian 242 - 237 mya
LATE TRIASSIC Carnian 237 - 227 mya
Norian 227 - 209 mya
Rhaetian 209 - 201 mya

Click here to view dinochecker's A-Z list of Triassic dinosaurs.
View all Periods of the Mesozoic timeline.
References
• Sues H-D (2010) "Triassic Life on Land: The Great Transition (The Critical Moments and Perspectives in Earth History and Paleobiology)".
• Fraser NC and Sues H-D (1997) "In the Shadow of the Dinosaurs: Early Mesozoic Tetrapods".
• Benton MJ (2016) "The Triassic". Current Biology, Volume 26, Issue 23, R1214–R1218.
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To cite this page:
Atkinson, L. "DinoChecker FAQ entry :: What is Triassic?"
http://www.dinochecker.com/dinosaurfaqs/what-is-triassic›. Web access: 25th Sep 2017.
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