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SZECHUANOSAURUS

a meat-eating tetanuran theropod dinosaur from the Late Jurassic of China.
Pronunciation: SUH-SHWAHN-o-SOR-us
Meaning: Szechuan lizard
Author/s: Young (1942)
Synonyms: None known
First Discovery: Sichuan, China
Chart Position: 144

Szechuanosaurus campi

To say the Szechuan lizard has a peppery past would be an understatement. The name was coined for a small handful of teeth found strewn around the Guangyuan Group in 1942, but numerous other specimens were assigned to it with gay abandon during the following decades and all attempts to bring order from chaos just brought more chaos. First Young, then Rozhdestvensky, Dong, Gao and Chure all stuck their thumbs in the proverbial pie, but after a 2012 clean up job by Matt Carrano and chums all that is left of Szechuanosaurus are the original teeth, and only because they're too rubbish to move elsewhere.
Discovery
The remains of Szechuanosaurus were discovered in the Guangyuan (aka Kuangyuan or Kyangyan) Group, Guangyuan County, Sichuan Province, China, by Yang Zhongjian, aka C.C. (Chung Chien) Young, in 1942.
The holotype (V235, V236, V238, V239) is four teeth.
Estimations
Timeline:
Era: Mesozoic
Epoch: Late Jurassic
Stage: Bathonian-Callovian
Age range: 168-161 mya
Stats:
Est. max. length: 8 meters
Est. max. hip height: ?
Est. max. weight: 650 Kg
Diet: Carnivore
Family Tree:
Dinosauria
Saurischia
Theropoda
Tetanurae
Szechuanosaurus
campi
References
• Dong Z, Zhou S and Zhang Y (1983) "Dinosaurs from the Jurassic of Sichuan". Palaeontologica Sinica, New Series C. 162 (23): 1–136.
• Holtz TR, Molnar RE and Currie PJ (2004) "Basal Tetanurae" in Weishampel, Dodson and Osmólska (eds.) "The Dinosauria: Second Edition".
• Yang Zhongjian - aka C.C. (Chung Chien) Young (1942) "Fossil vertebrates from Kuangyuan, N. Szechuan, China". Bulletin of the Geological Society of China.
• Gao Y (1993) "A new species of Szechuanosaurus from the Middle Jurassic of Dashanpu, Zigong, Sichuan". Vertebrata PalAsiatica 31(4): 308-314.
• Gao Y (1998) "A new species of Middle Jurassic Carnosauria from Dashanpu, Zigong, Sichaun Province, Szechuanosaurus zigongensis sp. nov". Vertebrata PalAsiatica 31(4): 308-314.
• Carrano M T, Benson R B J and Sampson S D (2012) "The phylogeny of Tetanurae (Dinosauria: Theropoda)". Journal of Systematic Palaeontology 10(2): 211.
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To cite this page:
Atkinson, L. "SZECHUANOSAURUS :: from DinoChecker's dinosaur archive".
›. Web access: 22nd Jun 2017.
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