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Post Info TOPIC: Therizinosauria
Blobrana


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Research reveals new information on the evolution of dinosaur senses

A new study of the brain anatomy of therizinosaurs, plant-eating dinosaurs that lived during the Cretaceous Period, has revealed interesting links with their notorious meat-eating 'cousins' Tyrannosaurus rex and Velociraptor.
An international team of scientists, including PhD student Stephan Lautenschlager and Dr Emily Rayfield of the University of Bristol, found that the senses of smell, hearing and balance were well developed in therizinosaurs and might have affected or benefited from an enlarged forebrain. These findings came as a surprise to the researchers as exceptional sensory abilities would be expected from predatory and not necessarily from plant-eating animals.
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Title: The Endocranial Anatomy of Therizinosauria and Its Implications for Sensory and Cognitive Function
Authors: Stephan Lautenschlager mail, Emily J. Rayfield, Perle Altangerel, Lindsay E. Zanno, Lawrence M. Witmer

Therizinosauria is one of the most enigmatic and peculiar clades among theropod dinosaurs, exhibiting an unusual suite of characters, such as lanceolate teeth, a rostral rhamphotheca, long manual claws, and a wide, opisthopubic pelvis. This specialised anatomy has been associated with a shift in dietary preferences and an adaptation to herbivory. Despite a large number of discoveries in recent years, the fossil record for Therizinosauria is still relatively poor, and cranial remains are particularly rare.

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