Unquillosaurus

Un-kwil-lo-sor-us.
By Nisha Yadav
Published on

Nisha Yadav

Physicist

Nisha Yadav is a dedicated physicist whose work bridges the gap between physics and paleontology. With a deep interest in the processes that preserve ancient life, she explores how physical principles govern fossilization and the preservation of extinct species.

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Yadav, N. (2012, August 27). Unquillosaurus. Prehistoric-wildlife. https://www.prehistoric-wildlife.com/species/unquillosaurus/

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Name

Unquillosaurus ‭(‬Unquillo River lizard‭)‬.

Phonetic

Un-kwil-lo-sor-us.

Named By

J.‭ ‬E.‭ ‬Powell‭ ‬-‭ ‬1979.

Classification

Chordata,‭ ‬Reptilia,‭ ‬Dinosauria,‭ ‬Saurischia,‭ ‬Theropoda,‭ ‬Dromaeosauridae,‭ ‬Unenlagiinae.

Diet

Carnivore.

Species

U.‭ ‬ceibalii‭

Size

Length of holotype pubis‭ ‬51.4‭ ‬centimetres long.‭ ‬Total body size uncertain due to overall lack of fossil remains,‭ ‬but roughly estimated to be somewhere between‭ ‬2‭ ‬and‭ ‬3‭ ‬meters long.

Known locations

Argentina‭ ‬-‭ ‬Los Blanquitos Formation.

Time Period

Campanian of the Cretaceous.

Fossil representation

Left pubis.

In Depth

       Unquillosaurus is a genus of dromaeosaurid dinosaur that lived in South America during the Late Cretaceous.‭ ‬At the time of the genus description‭ (‬and writing here‭)‬,‭ ‬Unquillosaurus is only known from a single pubis bone‭ (‬part of the pelvis‭)‬,‭ ‬and so it is very difficult to infer much detail about this dinosaur.

Further Reading

-‭ ‬Sobre una asociacion de Dinosaurios y otras evidencias de vertebrados del Cr�tacico Superior de la region de La Candelaria,‭ ‬Prov.‭ ‬de Salta,‭ ‬Argentina.‭ ‬-‭ ‬Ameghiniana‭ ‬16‭(‬1-2‭)‬:191-204.‭ ‬-‭ ‬J.‭ ‬E.‭ ‬Powell‭ ‬-‭ ‬1979. -‭ ‬Unquillosaurus ceibalii Powell,‭ ‬a giant maniraptoran‭ (‬Dinosauria,‭ ‬Theropoda‭) ‬from the Late Cretaceous of Argentina.‭ ‬-‭ ‬Revista del‭ ‬Museo Argentino‭ ‬de Ciencias Naturales,‭ ‬nuevo serie.‭ ‬6‭(‬1‭)‬:‭ ‬61-66.‭ ‬-‭ ‬Novas‭ & ‬Agnolin‭ ‬-‭ ‬2004. -‭ ‬Aniksosaurus darwini gen.‭ ‬et sp.‭ ‬nov.,‭ ‬a new coelurosaurian theropod from the early Late Cretaceous of central Patagonia,‭ ‬Argentina.‭ ‬-‭ ‬Revista del Museo Argentino de Ciencias Naturales,‭ ‬nuevo serie‭ ‬8‭(‬2‭)‬:‭ ‬243-259.‭ ‬-‭ ‬R.D.‭ ‬Mart�nez and F.E.‭ ‬Novas‭ ‬-‭ ‬2006.

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