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This article is more than 6 years old. As soon as Joseph Leidy received the Judith River fossils, he naturally compared them directly with the known European forms. Warren, L. It was during this time that the continents began to pull apart; in our neck of the woods, that occurred somewhere along the New Jersey Turnpike. Therapods, fierce and superb hunters, seemed to like our location, as evidenced by the hundreds of footprints and trackways found in what is now Walter Kidde Park in Roseland, NJ, west of Newark, and in Rocky Hill, CT, near Hartford, where they are now visible again, at Dinosaur State Park. What else lived in what is now the Hudson Valley before us human newbies arrived just one minute ago, at p.
What dinosaurs were found in new york – what dinosaurs were found in new york. What Did the Hudson Valley Look Like During the Age of the Dinosaurs?
Some specimens of Eurypterus grew to almost four feet long, dwarfing the primitive fish and invertebrates they preyed on.
It isn't a well-known fact, but various dinosaur footprints have been discovered near the town of Blauvelt, in New York's Rockland County not too far from New York City.
These tracks date to the late Triassic period, about million years ago, and include some tantalizing evidence for roving packs of Coelophysis a dinosaur best known for its prevalence in far-off New Mexico. Pending conclusive evidence that these footprints were really laid down by Coelophysis, paleontologists prefer to attribute them to an "ichnogenus" called Grallator. In , during the construction of a mill in upstate New York, workers discovered the near-complete remains of a five-ton American Mastodon.
The "Cohoes Mastodon," as it has become known, testifies to the fact that these giant prehistoric elephants roamed the expanse of New York in thunderous herds, as recently as 50, years ago doubtless alongside their close contemporary of the Pleistocene epoch, the Woolly Mammoth. Like many other states in the eastern U.
Unfortunately, most of these plus-sized mammals went extinct at the end of the last Ice Age, succumbing to a combination of human predation and climate change. When you visit the site, Dotdash Meredith and its partners may store or retrieve information on your browser, mostly in the form of cookies.
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Share Flipboard Email. By Bob Strauss Bob Strauss. Learn about our Editorial Process. Cite this Article Format. Strauss, Bob. The Dinosaurs and Prehistoric Animals of Indiana.
You probably weren't aware that the very first tyrannosaur to be discovered in the United States was Dryptosaurus, and not the much more famous Tyrannosaurus Rex. The remains of Dryptosaurus "tearing lizard" were excavated in New Jersey in , by the famous paleontologist Edward Drinker Cope , who later sealed his reputation with more extensive discoveries in the American West.
Dryptosaurus, by the way, originally went by the much more euphonious name Laelaps. The official state fossil of New Jersey, Hadrosaurus remains a poorly understood dinosaur, albeit one that has lent its name to a vast family of late Cretaceous plant-eaters the hadrosaurs , or duck-billed dinosaurs.
To date, only one incomplete skeleton of Hadrosaurus has ever been discovered–by the American paleontologist Joseph Leidy , near the town of Haddonfield–leading paleontologists to speculate that this dinosaur might better be classified as a species or specimen of another hadrosaur genus.
One of the smallest, and one of the most fascinating, fossils discovered in the Garden State is Icarosaurus –a small, gliding reptile, vaguely resembling a moth, that dates to the middle Triassic period. The type specimen of Icarosaurus was discovered in a North Bergen quarry by a teenage enthusiast, and spent the next 40 years at the American Museum of Natural History in New York until it was purchased by a private collector who immediately donated it back to the museum for further study.
Given how many states its remains have been discovered in, the foot-long, ton Deinosuchus must have been a common sight along the lakes and rivers of late Cretaceous North America, where this prehistoric crocodile snacked on fish, sharks, marine reptiles, and pretty much anything that happened to cross its path. Unbelievably, given its size, Deinosuchus wasn't even the biggest crocodile that ever lived–that honor belongs to the slightly earlier Sarcosuchus , also known as the SuperCroc.
You may be familiar with the Coelacanth , the allegedly extinct fish that experienced a sudden resurrection when a living specimen was caught off the coast of South Africa in The fact is, though, that most genera of Coelacanths truly did go extinct tens of millions of years ago; a good example is Diplurus, hundreds of specimens of which have been found preserved in New Jersey sediments.
Coelacanths, by the way, were a type of lobe-finned fish closely related to the immediate ancestors of the first tetrapods. New Jersey's Jurassic and Cretaceous fossil beds have yielded the remains of a large variety of prehistoric fish , ranging from the ancient skate Myliobatis to the ratfish ancestor Ischyodus to three separate species of Enchodus better known as the Saber-Toothed Herring , not to mention the obscure genus of Coelacanth mentioned in the previous slide.
Many of these fish were preyed on by the sharks of southern New Jersey next slide , when the bottom half of the Garden State was submerged under water. One doesn't normally associate the interior of New Jersey with deadly prehistoric sharks–which is why it's surprising that this state has yielded so many of these fossilized killers, including specimens of Galeocerdo, Hybodus and Squalicorax.
The last member of this group is the only Mesozoic shark known conclusively to have preyed on dinosaurs, since the remains of an unidentified hadrosaur possibly the Hadrosaurus described in slide 2 were discovered in one specimen's stomach.
Starting in the midth century, in Greendell, American Mastodon remains have been periodically recovered from various New Jersey townships, often in the wake of construction projects.
These specimens date from the late Pleistocene epoch, when Mastodons and, to a lesser extent, their Woolly Mammoth cousins tramped across the swamps and woodlands of the Garden State–which was much colder tens of thousands of years ago than it is today!
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List of U.S. state dinosaurs – Wikipedia.: East Coast Dinosaurs of North America – Why the Preservation Difference?
It is a very bad day. Probably because of this notoriety, the original specimen has long since disappeared. The climate was much warmer, with no polar ice and higher sea levels. The Dinosaurs and Prehistoric Animals of Virginia.