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Sinornithoides youngi
(Russell & Dong, 1994) |
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Name Means: |
"Chinese bird form" |
Length: |
3.6 ft (1.1 m) |
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Pronounced: |
sy-NOR-nith-OY-deez |
Weight: |
12 pounds (5.5 kg) |
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When it lived: |
Middle Cretaceous period - 110
MYA |
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Where found: |
Mongolia, China |
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Troodontid specimens
were recovered from three localities in China by the Sino-Canadian
expeditions between 1987 and 1990. These included Sinornithoides
youngi, which is the most complete troodontid skeleton ever found. Sinornithoides
revealed for the first time the arm, back, and neck structure of the
troodontids. S. youngi revealed for the first time the arm,
back, and neck structure of the troodontids. The
degree of ossification and the relative proportions of the body
suggest it was almost mature. Based on a mostly complete
skeleton and skull, This turkey-sized dinosaur had very long
legs and was a fast runner. It was a very intelligent dinosaur, as it
had a relatively big brain. It was the first dinosaur discovered with
primitive feathers.
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