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This sudden change in growth rate may indicate physical maturity, a hypothesis that is supported by the discovery of medullary tissue in the femur of an 18-year-old T. rex from Montana (MOR 1125, also known as "B-rex"). [51] Medullary tissue is found only in female birds during ovulation, indicating that "B-rex" was of reproductive age. [52]
Tyrannosaurus (/ t ɪ ˌ r æ n ə ˈ s ɔː r ə s, t aɪ-/) [a] is a genus of large theropod dinosaur.The type species Tyrannosaurus rex (rex meaning 'king' in Latin), often shortened to T. rex or colloquially T-Rex, is one of the best represented theropods.
Skull restoration. In October 2010 an online Nature News report [6] (not peer-reviewed) challenged the provenance and classification of Raptorex as a basal tyrannosauroid. Peter Larson, president of the Black Hills Institute of Geological Research, Inc., a private fossil excavation and supply company, inspected the fossil and told Nature that he concluded it was a juvenile Tarbosaurus.
Mounted skeletons of different age groups, Los Angeles Natural History Museum. The feeding behaviour of Tyrannosaurus rex has been studied extensively. The well known attributes of T. rex (its jaws, legs and overall body design) are often interpreted to be indicative of either a predatory or scavenging lifestyle, and as such the biomechanics, feeding strategies and diet of Tyrannosaurus have ...
Although Larson (2013) saw Jane as more identical to CMNH 7541 and LACM 28471 than to adult T. rex in having a higher tooth count, large pneumatic foramen on the center of the quadratojugal, T-shaped postorbital, and fused shoulder blade and pelvis, [70] Yun (2015) concurred with the opinion of most workers that Nanotyrannus is a juvenile T ...
Utahraptor, T-Rex's comic foil, appears in the fourth and fifth panels of the comic. Dromiceiomimus appears in the third panel. She is generally friendly to T-Rex, answering either neutrally or with mild, friendly criticism. The tiny woman in panel four and the house in panel three have contributed dialogue but are usually silent.
Bucky the T. rex: Casper Statens Naturhistoriske Museum [176] [177] Tyrannosaurus rex: Casper the T. rex: Chinley [178] [179] [180] Tyrannosaurus: Previously known as the Mud Butte Tyrannosaur Chomper MOR 6625 Museum of the Rockies: Tyrannosaurus: Juvenile skull, named for initial find of small lower jaw fragment. Cast of Chomper in Berkeley ...
The type species, Moros intrepidus, was named and described by Lindsay E. Zanno, Ryan T. Tucker, Aurore Canoville, Haviv M. Avrahami, Terry A. Gates, and Peter J. Makovicky. The generic name is derived from the Greek term Moros (an embodiment of impending doom), in reference to the establishment of the tyrannosauroid lineage in North America ...