How To Use Jurassic period In A Sentence

The familiar frogs, toads, and salamanders have been present since at least the Jurassic Period.
But one should not – and does not – find modern human fossils embedded in strata from the Jurassic period (144 million years ago). Waldo Jaquith - Supermajority of Republicans are creationists.
His ankylosaur print is the first such print of the species from the Jurassic Period and the largest print of any ankylosaur from the Age of the Dinosaurs. First Jurassic Ankylosaur track found
Originally an archaean sea-bottom rock this stone lay submerged in the ocean until during the Jurassic Period, under the lateral pressure of a cooling earthcrust the table-lands and mountain-chains of Arizona rose from the seas. Tales of Aztlan; the Romance of a Hero of our Late Spanish-American War, Incidents of Interest from the Life of a western Pioneer and Other Tales
Marine crocs were abundant during the Jurassic period some 200 million to 145 million years ago.

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~ Studies of ancient supercontinent don't match up -- "For a quarter-century or more, the prevailing view among geoscientistssupported by paleomagnetic records in rockhas been that the portion of the ancient supercontinent of Pangea that is now the Colorado Plateau in southern Utah shifted more than 1,300 miles north during a 100-million-year span that ended about 200 million years ago in the early Jurassic Period, when Pangea began to break up. Speedlinking 11/26/07
Modern, skeleton-breaking predators, particularly teleosts, neoselachian sharks and rays, and decapod crustaceans, began to diversify in nearshore environments during the Jurassic Period.
Mostly tiny plants called diatoms, but quite possibly a few Barney-like creatures went into the mix, like Stegosaurus, Brontosaurus and other giant reptiles that shared the Jurassic period with all those diatoms. Barbara Ehrenreich: Liposuction: The Key to Energy Independence
Instead, what is now the Lombardy region and some parts of Switzerland must have been a single land mass by the Jurassic period.
There was a topographic break in the northeast edge of Junggar basin during Jurassic Period.
Giant Lufeng Long Shuyuan the sauropod dinosaur, is earlier than the Jurassic Period time has existed.
The familiar frogs, toads, and salamanders have been present since at least the Jurassic Period.