
1) Dinosaurs, marine reptiles 2) Early dinosaur period 3) Geological period 4) Period 5) Period of the first dinosaurs 6) Post-Permian period 7) Triassic period 8) Very old
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The Triassic k is a geologic period and system that extends from about 250 to 200 Mya ({Geologic Ages Inline|Triassic} to {Geologic Ages Inline|Jurassic} million years ago). It is the first period of the Mesozoic Era, and lies between the Permian and Jurassic periods. Both the start and end of the period are marked by major extinction events. The ...
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http://en.wikipedia.org/wiki/Triassic

• (n.) The Triassic formation. • (a.) Of the age of, or pertaining to, the Trias.
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http://thinkexist.com/dictionary/meaning/triassic/

The first period of the Mesozoic. Spans 251-199Ma.
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http://www.encyclo.co.uk/local/20206

The first period of the Mesozoic era (after the Permian of the Paleozoic era, and before the Jurassic), thought to have covered the span of time between 225 and 190 million years ago; also, the corresponding system of rocks. The Triassic is so named because of its threefold division in the rocks of Germany. Syn: Trias.
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http://www.encyclo.co.uk/local/22047

geological period between 250 and 205 million years ago;
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Geologic period that occurred roughly 208 to 245 million years ago. During this period, the first dinosaurs appeared.
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http://www.physicalgeography.net/physgeoglos/t.html

In geology, the Triassic (named after the Trias) was the ninth geological period, 170,000,000 years ago, following the Carboniferous and preceding the Jurassic periods. The rocks are the oldest of the Mesozoic formations and, once known as the New Red Sandstone are now divided into three series: the Keuper, Muschelkalk and Bunter. The rocks of the ...
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http://www.probertencyclopaedia.com/browse/HT.HTM

A Period from 251 to 200 million years ago divided into three epochs:
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http://www.scientificpsychic.com/etc/geology-glossary.html

[
n] - from 190 million to 230 million years ago
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http://www.webdictionary.co.uk/definition.php?query=Triassic

Triassic In geology, the lowest of three major divisions of fossiliferous rocks which together make up the Mesozoic or Secondary series, namely: Triassic; Jurassic; and Cretaceous. It lies above the Permian and below the Jurassic.
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the first (earliest) period of the Mesozoic era
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https://sciencetrek.org/sciencetrek/topics/dinosaurs/glossary.cfm

the period of geological time between 248 and 213 million years ago. The name reflects the division of this time period into 3 parts. See Geological Timescale
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https://www.encyclo.co.uk/local/20800
adjective of or relating to or denoting the first period of the Mesozoic era
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https://www.encyclo.co.uk/local/20974

The earliest period of the Mesozoic era, spanning the time between 248 and 213 million years ago. The name Triassic refers to the threefold division of rocks of this age in Germany.
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https://www.encyclo.co.uk/local/21202

a geologic period and system spanning 251.0 - 199.0 million years ago
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https://www.encyclo.co.uk/local/21787

The period of time between 205.7 and 248.2 million years ago.
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https://www.encyclo.co.uk/local/23001
No exact match found.