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Near-Complete T. Rex Skeleton Arrives at Smithsonian

  • A cast of a Tyrannosaurus rex discovered in Montana greets visitors as they enter the Smithsonian Museum of Natural History in Washington, Tuesday, April 15, 2014. The original fossilized bones of this T. rex arrived at the museum today and will be reassembled for display. (AP Photo/J. Scott Applewhite)
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    A cast of a Tyrannosaurus rex discovered in Montana greets visitors as they enter the Smithsonian Museum of Natural History in Washington, Tuesday, April 15, 2014. The original fossilized bones of this T. rex arrived at the museum today and will be reassembled for display. (AP Photo/J. Scott Applewhite)
  • The fossilized bones of a Tyrannosaurus rex are displayed for the media during a ceremony at the Smithsonian Museum of Natural History in Washington, Tuesday, April 15, 2014. The Tyrannosaurus rex is joining the dinosaur fossil collection on the National Mall on Tuesday after a more than 2,000-mile journey from Montana. For the first time since its dinosaur hall opened in 1911, the Smithsonian's National Museum of Natural History will have a nearly complete T. rex skeleton. FedEx is delivering the dinosaur bones in a truck carrying 16 carefully packed crates. (AP Photo/J. Scott Applewhite)
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    The fossilized bones of a Tyrannosaurus rex are displayed for the media during a ceremony at the Smithsonian Museum of Natural History in Washington, Tuesday, April 15, 2014. The Tyrannosaurus rex is joining the dinosaur fossil collection on the National Mall on Tuesday after a more than 2,000-mile journey from Montana. For the first time since its dinosaur hall opened in 1911, the Smithsonian's National Museum of Natural History will have a nearly complete T. rex skeleton. FedEx is delivering the dinosaur bones in a truck carrying 16 carefully packed crates. (AP Photo/J. Scott Applewhite)
  • Smithsonian National Museum of Natural History Director Kirk Johnson, left, and Lt. Gen. Thomas Bostick, commanding general of the Army Corps of Engineers, unveil the fossilized bones of a Tyrannosaurus rex during a ceremony at the museum in Washington, Tuesday, April 15, 2014. The Tyrannosaurus rex is joining the dinosaur fossil collection on the National Mall on Tuesday after a more than 2,000-mile journey from Montana. For the first time since its dinosaur hall opened in 1911, the Smithsonian's National Museum of Natural History will have a nearly complete T. rex skeleton. FedEx is delivering the dinosaur bones in a truck carrying 16 carefully packed crates. (AP Photo/J. Scott Applewhite)
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    Smithsonian National Museum of Natural History Director Kirk Johnson, left, and Lt. Gen. Thomas Bostick, commanding general of the Army Corps of Engineers, unveil the fossilized bones of a Tyrannosaurus rex during a ceremony at the museum in Washington, Tuesday, April 15, 2014. The Tyrannosaurus rex is joining the dinosaur fossil collection on the National Mall on Tuesday after a more than 2,000-mile journey from Montana. For the first time since its dinosaur hall opened in 1911, the Smithsonian's National Museum of Natural History will have a nearly complete T. rex skeleton. FedEx is delivering the dinosaur bones in a truck carrying 16 carefully packed crates. (AP Photo/J. Scott Applewhite)
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  • The real Wankel T.rex is prepared for exhibit in its original “death pose” at Montana State University’s Museum of the Rockies, Bozeman, Mont., 2005. The Wankel T.rex died in a riverbed more than 65 million years ago.
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    Near-Complete T. Rex Skeleton Arrives at Smithsonian

    The real Wankel T.rex is prepared for exhibit in its original “death pose” at Montana State University’s Museum of the Rockies, Bozeman, Mont., 2005. The Wankel T.rex died in a riverbed more than 65 million years ago.
    Photo courtesy Museum of the Rockies
  • A 66-million-year-old T. rex fossil was unveiled at its new home, the Smithsonian's National Museum of Natural History, on April 15, 2014.
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    Near-Complete T. Rex Skeleton Arrives at Smithsonian

    A 66-million-year-old T. rex fossil was unveiled at its new home, the Smithsonian's National Museum of Natural History, on April 15, 2014.
    Smithsonian | Ustream
  • Jack Horner, Curator of Paleontology at Museum of the Rockies (and technical adviser for all the "Jurassic Park" films), provides scale for Tyrannosaurus rex fossils at excavation site near the Fort Peck Reservoir in June 1990. Named for its di
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    Near-Complete T. Rex Skeleton Arrives at Smithsonian

    Jack Horner, Curator of Paleontology at Museum of the Rockies (and technical adviser for all the "Jurassic Park" films), provides scale for Tyrannosaurus rex fossils at excavation site near the Fort Peck Reservoir in June 1990. Named for its di
    Photo courtesy Museum of the Rockies
A cast of a Tyrannosaurus rex discovered in Montana greets visitors as they enter the Smithsonian Museum of Natural History in Washington, Tuesday, April 15, 2014. The original fossilized bones of this T. rex arrived at the museum today and will be reassembled for display. (AP Photo/J. Scott Applewhite)
The fossilized bones of a Tyrannosaurus rex are displayed for the media during a ceremony at the Smithsonian Museum of Natural History in Washington, Tuesday, April 15, 2014. The Tyrannosaurus rex is joining the dinosaur fossil collection on the National Mall on Tuesday after a more than 2,000-mile journey from Montana. For the first time since its dinosaur hall opened in 1911, the Smithsonian's National Museum of Natural History will have a nearly complete T. rex skeleton. FedEx is delivering the dinosaur bones in a truck carrying 16 carefully packed crates. (AP Photo/J. Scott Applewhite)
Smithsonian National Museum of Natural History Director Kirk Johnson, left, and Lt. Gen. Thomas Bostick, commanding general of the Army Corps of Engineers, unveil the fossilized bones of a Tyrannosaurus rex during a ceremony at the museum in Washington, Tuesday, April 15, 2014. The Tyrannosaurus rex is joining the dinosaur fossil collection on the National Mall on Tuesday after a more than 2,000-mile journey from Montana. For the first time since its dinosaur hall opened in 1911, the Smithsonian's National Museum of Natural History will have a nearly complete T. rex skeleton. FedEx is delivering the dinosaur bones in a truck carrying 16 carefully packed crates. (AP Photo/J. Scott Applewhite)
The real Wankel T.rex is prepared for exhibit in its original “death pose” at Montana State University’s Museum of the Rockies, Bozeman, Mont., 2005. The Wankel T.rex died in a riverbed more than 65 million years ago.
A 66-million-year-old T. rex fossil was unveiled at its new home, the Smithsonian's National Museum of Natural History, on April 15, 2014.
Jack Horner, Curator of Paleontology at Museum of the Rockies (and technical adviser for all the "Jurassic Park" films), provides scale for Tyrannosaurus rex fossils at excavation site near the Fort Peck Reservoir in June 1990. Named for its di
by Megan Gannon, News Editor

Joining a diverse roster of iconic American objects from Judy Garland's ruby slippers to the space shuttle Discovery, a nearly complete T. rex skeleton was welcomed to the Smithsonian this morning (April 15).

The dinosaur is on loan to the Smithsonian's National Museum of Natural History for at least the next 50 years. Split up into many crates, the bones arrived in Washington, D.C., this week after a road trip from the Museum of the Rockies in Bozeman, Mont., the fossil's former home near the badlands where the skeletal remains were found.

The Smithsonian National Museum of Natural History, which opened more than a century ago, has 46 million fossils in its collection, but this new addition is its first near-complete T. rex. [Photos: The Near-Complete Wankel T. Rex]

"We could not be more excited to welcome the Nation's T. rex to Washington so it can be enjoyed by our 8 million visitors a year and serve as a gateway to the vast world of scientific discovery," Kirk Johnson, director of the National Museum of Natural History, said in a statement.

Tyrannosaurus rex roamed North America some 68 million to 66 million years ago. It was one of the largest known carnivorous dinosaurs and one of the last non-avian dinosaurs to walk the Earth prior to the Cretaceous-Paleogene extinction event. Legendary fossil hunter Barnum Brown discovered the first T. rex bones in Montana in 1902 at the Hell Creek Formation.

The Smithsonian is now referring to the fossil as "the Nation's T. rex," though it previously had been known as the Wankel T. rex after Kathy Wankel, a rancher who first spotted the dinosaur's arm bones poking out of the earth near Montana's Fort Peck reservoir in 1988. A team of paleontologists led by Jack Horner exposed the rest of the skeleton during subsequent excavations. The dinosaur bones belong to the U.S. Army Corps of Engineers as they were discovered on federal lands.

The Smithsonian will close its fossil hall on April 27 for a $48 million renovation, expected to be completed in 2019. The new hall will be named after billionaire David H. Koch, the oil and gas magnate who donated $35 million to the project.

So that visitors can enjoy the new T. rex during the five-year renovation, on Tuesday the museum opened a "Rex Room," where people will be able to see staff members unpack, catalog, photograph and scan the 66-million-year-old bones, Smithsonian officials said.

The museum also plans to display other dinosaur fossils through exhibitions while work on the hall is underway. A show called "The Last American Dinosaurs: Discovering a Lost World," opening Nov. 25, will tell the story of the final days of dinosaurs found in the Hell Creek Formation.

Follow Megan Gannon on Twitter and Google+. Follow us @livescience, Facebook & Google+. Original article on Live Science.

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