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SINOCOELURUS

a meat-eating tetanuran theropod dinosaur from the Late Jurassic of China.
Pronunciation: SIEN-o-see-LOOR-us
Meaning: Chinese hollow tail
Author/s: Yang (1942)
Synonyms: None known
First Discovery: Sichuan, China
Chart Position: 143

Sinocoelurus fragilis

We don't know what it is with Yang Zhongjian, who is better known by his "zi" (courtesy name) Chung Chien Young. He had a bad habit of naming new dinosaurs based on a very precise four teeth and he was at it again with Sinocoelurus — "Chinese hollow tail" — which was collected at Guangyuan in China's Sichuan Basin over a three day period in 1942.

This was the third, yes third, four-tooth theropod taxa he named within the pages of a single paper that year and this one is just as dubious as the others. He described them thus: "long, slender, moderately curved and compressed; ridged anterior and posterior sides with no trace of serrations; enamel very thin", and assigned them to coelurosauria which was a "waste basket" back then for pretty much any small carnivorous dinosaur.

Though Coelurosauria is something very different these days Sinocoelurus gets precious little attention and most paleontologists think its remains still belong in a waste basket... a real one... along with the teeth of Chienkosaurus and Szechuanosaurus.
(Fragile Chinese hollow tail)Etymology
Sinocoelurus is derived from the Latin "sinae" (Chinese) and Coelurus (from the Greek koilos "hollow" and oura "tail") named for its place of discovery and supposed similarity to the North American Coelurus. The species epithet, fragilis, means "fragile" in Latin.
Discovery
The remains of Sinocoelurus were discovered in the Guangyuan (aka Kuangyuan or Kyangyan) Group, near Weiyuan, Guangyuan County, Sichuan Province, China, by Yang Zhongjian, aka C.C. (Chung Chien) Young, in 1942.
The holotype (IVP AS V232-234) consists of four teeth.
Estimations
Timeline:
Era: Mesozoic
Epoch: Late Jurassic
Stage: Tithonian?
Age range: 150-145 mya
Stats:
Est. max. length: ?
Est. max. hip height: ?
Est. max. weight: ?
Diet: Carnivore
Family Tree:
Dinosauria
Saurischia
Theropoda
Tetanurae?
Sinocoelurus
fragilis
References
• Donald F. Glut (1997) "Sinocoelurus" in "Dinosaurs: The Encyclopedia". /uk.
• Yang Zhongjian - aka C.C. Young (1942) "Fossil vertebrates from Kuangyuan, N. Szechuan, China". Bulletin of the Geological Society of China.
• Zhiming Dong, Shiwu Zhou, Yihong Zhang (1983). "Dinosaurs from the Jurassic of Sichuan."
• T.R. Holtz, R.E. Molnar and P.J. Currie (2004) "Basal Tetanurae" in Weishampel, Dodson and Osmólska "The Dinosauria: Second Edition". /uk.
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To cite this page:
Atkinson, L. "SINOCOELURUS :: from DinoChecker's dinosaur archive".
›. Web access: 30th Mar 2017.
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