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THERIZINOSAURUS

a plant-eating therizinosaurid theropod dinosaur from the Late Cretaceous of Mongolia.
therizinosaurus.png
Pronunciation: ther-ih-ZEEN-oh-SOR-us
Meaning: Reaping or Scythe lizard
Author/s: Maleev (1954)
Synonyms: None known
First Discovery: Ömnögovi, Mongolia
Chart Position: 156

Therizinosaurus cheloniformis

(Turtle-like scythe lizard)Etymology
Threrizinosaurus is derived from the Greek "therizo" meaning "to reap" or "to cut off" (with a scythe) referring to its scythe-like claws) and "sauros" (lizard).
The species epithet, cheloniformis, means turtle-form (or turtle like) because of Maleyev's 1954 assumption that it was some kind of gigantic turtle-like reptile.
Discovery
The first fossils of Therizinosaurus were discovered in the Nemegt Formation of southwestern Mongolia, by the USSR Academy of Science's Mongolian Paleontological Expedition in 1918.
The holotype (PIN 551/483) is a bunch of limb bones.
Estimations
Timeline:
Era: Mesozoic
Epoch: Late Cretaceous
Stage: Maastrichtian
Age range: 71-68 mya
Stats:
Est. max. length: 9.5 meters
Est. max. hip height: ?
Est. max. weight: 5 tons
Diet: Herbivore
References
• Evgeny Aleksandrovich Maleyev "A new turtle-like reptile from Mongolia." Priroda, 1954 (translated by Jaime A. Headden, 2003).
• G.S. Paul (2010) "The Princeton Field Guide to Dinosaurs"
• A. Perle (1982) "On a new finding of the hindlimb of Therizinosaurus sp. from the Late Cretaceous of Mongolia", Problems on the Geology of Mongolia.
• Lindsay E. Zanno (2010) "A taxonomic and phylogenetic re-evaluation of Therizinosauria (Dinosauria: Maniraptora)".
• Stephan Lautenschlager (2014) "Morphological and functional diversity in therizinosaur claws and the implications for theropod claw evolution".
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To cite this page:
Atkinson, L. "THERIZINOSAURUS :: from DinoChecker's dinosaur archive".
›. Web access: 21st Aug 2017.
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