What Was The First Dinosaur Discovered In The United States?

The Cretaceous period is the longest period of geologic time in which life has existed on earth. It lasted nearly 80 million years from the end of the relatively short Jurassic period, until the planet was rocked by a few literal earth-shattering events including volcanic activity, chaotic biological warfare, and of course the giant space rock. With this length of time, you can imagine a lot of stuff happened. That stuff really only started to be understood when western scientists colonized the paleontological resources of the burgeoning American colonies throughout the 1700s, which began to see some real results in the mid to late 1800s – hence the Bone Wars.
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Art in Thumbnail belongs to - Christopher DiPiazza

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Puppet segments from:
   • A Dinosaur's Day in Trenton - Part 1  

   • Dinosaur's Day in Trenton - Part 2  

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Intro - 00:00-03:38
Discovery - 03:38-15:12
Ornithotarsus immanis – 15:12-16:12
Hadrosaurus tripos – 16:12-17:01
Hadrosaurus minor – 17:01-18:29
Hadrosaurus cavatus – 18:29-19:34
Hadrosaurus agilis – 19:34-20:09
BMNH R1007 – 20:09-20:33
Hadrosaurus breviceps – 20:33-21:20
Hadrosaurus paucidens – 21:20-22:32
Phylogeny - 22:32-25:53
Biology - 25:53-28:44
Size - 28:44-29:17
Ecology - 29:17-33:46
Legacy - 33:46-35:21
Outro - 35:21-36:40
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✅ RESEARCH ✅
Prieto-Márquez, A.; Weishampel, D. B.; Horner, J. R. (2006). "The dinosaur Hadrosaurus foulkii, from the Campanian of the East Coast of North America, with a reevaluation of the genus" (PDF). Acta Palaeontologica Polonica. 51 (1): 77–98.

Prieto-Márquez, A. (2011). "Revised diagnoses of Hadrosaurus foulkii Leidy, 1858 (the type genus and species of Hadrosauridae Cope, 1869) and Claosaurus agilis Marsh, 1872 (Dinosauria: Ornithopoda) from the Late Cretaceous of North America" (PDF). Zootaxa. 2765: 61–68. doi:10.11646/zootaxa.2765.1.6. S2CID 83268290. Archived from the original (PDF) on 2020-02-16.

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