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VELOCISAURUS

a meat-eating noasaurid ceratosaurian theropod dinosaur from the Late Cretaceous of Argentina.
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Pronunciation: vuh-LOH-see-SOR-us
Meaning: Swift lizard
Author/s: Bonaparte (1991)
Synonyms: None known
First Discovery: Neuquén province, Argentina
Chart Position: 294

Velocisaurus unicus

(Swift lizard with a unique foot)Etymology
Velocisaurus is derived from the Latin "velocis" (swift) and the Greek "sauros" (lizard).
The species epithet, unicus, means "unique" in Latin, referring to the ususual design of its foot.
Discovery
The first remains of Velocisaurus were discovered in the Bajo de la Carpa Formation at Boca del Sapo, Neuquén province, Patagonia, Argentina, by Oscar de Ferrariis and Zulma Brandoni de Gasparini in 1985. The holotype (MUCPv 41) is the lower part of a right leg. The virtually complete left leg of a second specimen from the Bajo de la Carpa Formation at Paso Córdoba in Argentina's Río Negro Province was described in 2016, and confirmed that Velocisaurus—with its very short, stout, and bowed thighs compared to very long and slender lower leg bones—really were swift lizards.
Estimations
Timeline:
Era: Mesozoic
Epoch: Late Cretaceous
Stage: Santonian
Age range: 86-84 mya
Stats:
Est. max. length: 1.5 meters
Est. max. hip height: 0.4 meters
Est. max. weight: 10 Kg
Diet: Carnivore
References
• Bonaparte J.F. (1991) "Los vertebrados fósiles de la Formación Rio Colorado, de la Ciudad de Neuquén y Cercanías, Cretácico Superior, Argentina" [The fossil vertebrates of the Rio Colorado Formation, from the city of Neuquén and surrounding areas, Upper Cretaceous, Argentina]. Revista del Museo Argentino de Ciencias Naturales "Bernardino Rivadavia" e Instituto Nacional de Investigación de las Ciencias Naturales: Paleontología, Volume 4, Issue 3, 17-123.
• Rothschild, B., Tanke, D. H., and Ford, T. L. (2001) "Theropod stress fractures and tendon avulsions as a clue to activity" in "Mesozoic Vertebrate Life". Indiana University Press, p. 331-336.
• Federico Brissón Egli, Federico L. AgnolÍn & Fernando Novas (2016) "A new specimen of Velocisaurus unicus (Theropoda, Abelisauroidea) from the Paso Córdoba locality (Santonian), Río Negro, Argentina". Journal of Vertebrate Paleontology. DOI: 10.1080/02724634.2016.1119156
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To cite this page:
Atkinson, L. "VELOCISAURUS :: from DinoChecker's dinosaur archive".
›. Web access: 22nd Jun 2017.
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