Talk:Tyrannosaurus

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Tyrannosaur Paleobiology: New Research on Ancient Exemplar Organisms

Brusatte et al. (2010) Tyrannosaur Paleobiology: New Research on Ancient Exemplar Organisms. Science Vol. 329. no. 5998, pp. 1481 - 1485.doi:10.1126/science.1193304

Tyrannosaurs, the group of dinosaurian carnivores that includes Tyrannosaurus rex and its closest relatives, are icons of prehistory. They are also the most intensively studied extinct dinosaurs, and thanks to large sample sizes and an influx of new discoveries, have become ancient exemplar organisms used to study many themes in vertebrate paleontology. A phylogeny that includes recently described species shows that tyrannosaurs originated by the Middle Jurassic but remained mostly small and ecologically marginal until the very end of the Cretaceous. Anatomical, biomechanical, and histological studies of T. rex and other derived tyrannosaurs show that large tyrannosaurs could not run rapidly, were capable of crushing bite forces, had accelerated growth rates and keen senses, and underwent pronounced changes during ontogeny. The biology and evolutionary history of tyrannosaurs provide a foundation for comparison with other dinosaurs and living organisms.

Arms

Would T-rex's arms have been visible when it was alive. You can see vestigial limbs on the skeletons of some snakes, but they are not visible on a living animal. Perhaps this was the case with tyrannosaurs too. — Preceding unsigned comment added by 24.36.148.242 (talk) 06:59, 15 August 2011 (UTC)[reply]

Yes they would have. The presence of tendon avulsions demonstrate they were likely used while subduing prey. Abyssal (talk) 19:37, 15 August 2011 (UTC)[reply]

Tyrannosaurus' arms were not vestigial in any sort of way. So yes, they would have been visible.--137.146.143.192 (talk) 19:49, 29 September 2011 (UTC)[reply]

Largest tyrannosaur

The article states that Tyrannosaurus was the largest known tyrannosaur, but doesn't its record for being large get more generic than that. If I am not mistaken, it is also the largest coelurosaur, is it not? — Preceding unsigned comment added by 24.36.148.242 (talk) 21:40, 27 October 2011 (UTC)[reply]

Well, Senter & Robins in 2010 gave a range of extrapolated possible hip heights for Deinocheirus, the upper end of which range surpassed the known hip height of Sue.--MWAK (talk) 17:41, 8 November 2011 (UTC)[reply]

Height at hips

In the 2nd paragrpaph it says "up to 4 metres (13 ft) tall at the hips" but on other websites i'm sure it said something like five to six metres tall, what's going on?! B903hd11 — Preceding unsigned comment added by B903hd11 (talk • contribs) 12:48, 20 December 2011 (UTC)[reply]

Which other sites are you talking about? did they say 5-6m tall at the hips or just in general (which could mean standing in a Godzilla pose)? MMartyniuk (talk) 13:08, 20 December 2011 (UTC)[reply]

Popularity

What exactly is it that the public loves about Tyrannosaurus? I'm not judging them, T.rex happens to be one of my favourite theropods as well, but I can't help but wonder what they see in it that they don't see in other similarly sized theropods such as Saurophaganax, Acrocanthosaurus, and Mapusaurus among others. — Preceding unsigned comment added by Dinolover45 (talk • contribs) 16:00, 6 February 2012 (UTC)[reply]