Results 41 to 50 of about 495 (129)

Reanalysis of "Raptorex kriegsteini": a juvenile tyrannosaurid dinosaur from Mongolia.

PLoS ONE, 2011
The carnivorous Tyrannosauridae are among the most iconic dinosaurs: typified by large body size, tiny forelimbs, and massive robust skulls with laterally thickened teeth.
Denver W Fowler, Holly N Woodward, Elizabeth A Freedman, Peter L Larson, John R Horner   +4 more
doaj   +1 more source

On Galileo’s Tallest Column

Mathematical Problems in Engineering, Volume 2015, Issue 1, 2015., 2015
The height at which an unloaded column will fail under its own weight was calculated for first time by Galileo for cylindrical columns. Galileo questioned himself if there exists a shape function for the cross section of the column with which it can attain a greater height than the cylindrical column.
Mariano Vázquez Espí, Jaime Cervera Bravo, Carlos Olmedo Rojas, Reza Jazar   +3 more
wiley   +1 more source

Figure 7.2 in The phylogeny and taxonomy of the Tyrannosauridae

, 2001
Figure 7.2. Phylogeny of Tyrannosauridae, Solid lines represent the strict consensus of the fifteen most palsimonious tree s ex cludin g Siamotyrannus and Shanshanosaur,,s,s (tree metrics including all autapomorphic characters: TL L50, cI 0.860, Rt 0.761,
Holtz, T. R.
core   +1 more source

Inferred presence of extraoral tissues in Triassic archosauromorphs and the evolutionary implications for the clade Sauropsida

Palaeontology, Volume 69, Issue 3, 2026.
Abstract Recent work has suggested that the presence of extraoral soft tissues (‘lips’), in the form of labial scales in theropod dinosaurs, could be inferred based on: anteroposteriorly distributed foramina in the rostral bones, similar to extant lepidosaurs; vertically projected teeth; uniform enamel thickness in maxillary teeth; and an allometric ...
Rafael Terras, Jaqueline Borger, Manuelle O. P. Almeida, Silvia Bettin, Owen A. Higgins, Giulia Marciani, Stefano Benazzi, Rodrigo T. Müller, Leonardo Kerber, Mirian Carbonera   +9 more
wiley   +1 more source

Fig. 2 in A Reassessment Of The Taxonomic Validity Of Dynamoterror Dynastes (Theropoda, Tyrannosauridae)

, 2020
Fig. 2. Frontal bones of tyrannosaurid theropods in right lateral view, scaled to same total length. A, the right frontal of Dynamoterror dynastes UMNH VP 28348 in lateral view. B, the right frontal of Teratophoneus curriei BYU 8120/9396 in lateral view.
Chan-gyu, Yun
core   +1 more source

Functional morphology of neck musculature in the Tyrannosauridae (Dinosauria, Theropoda) as determined via a hierarchical inferential approach

, 2007
Eric Snively, Anthony P. Russell (2007): Functional morphology of neck musculature in the Tyrannosauridae (Dinosauria, Theropoda) as determined via a hierarchical inferential approach. Zoological Journal of the Linnean Society 151, No.
Russell, Anthony P., Snively, Eric, ANTHONY P. RUSSELL, ERIC SNIVELY   +3 more
core   +1 more source

Theropod dinosaur diversity of the lower English Wealden: analysis of a tooth‐based fauna from the Wadhurst Clay Formation (Lower Cretaceous: Valanginian) via phylogenetic, discriminant and machine learning methods

Papers in Palaeontology, Volume 10, Issue 6, November/December 2024.
Abstract The Lower Cretaceous Wealden Supergroup of southern England yields a diverse assemblage of theropod dinosaurs, its taxa being represented by fragments in addition to some of the most informative associated skeletons of the European Mesozoic. Spinosaurids, neovenatorid allosauroids, tyrannosauroids and dromaeosaurids are among reported Wealden ...
Chris T. Barker, Lucy Handford, Darren Naish, Simon Wills, Christophe Hendrickx, Phil Hadland, Dave Brockhurst, Neil J. Gostling   +7 more
wiley   +1 more source

Tyrannosauridae Osborn 1906

, 1982
Family TYRANNOSAURIDAE Fig. 5 a, b Material: Tooth, UCMP 119853 (UCMP-V72207) H 8 mm, W 4 mm. Discussion: The D-shaped cross section, position of the serrations, and robustness indicate a first right maxillary tooth (Fig. 5 a, b).
Carpenter, Kenneth
core   +1 more source

Observations on the skull of the type specimen of Tyrannosaurus rex Osborn, 1905

All Earth
The skull bones of the type specimen of Tyrannosaurus rex have been undescribed since the early 20th Century. The objectives were to provide a description of the type skull, assess the homology of characters seen in adults and juveniles, and test the ...
Thomas D. Carr
doaj   +1 more source

FIGURE 6 in Craniofacial ontogeny in Tyrannosauridae (Dinosauria, Coelurosauria)

, 1999
FIGURE 6. Restored skull with occluded jaws of a Stage 1 Tyrannosaurus rex (CMNH 7541) in left lateral (A), dorsal (B), occipital (C), and palatal (D) views. Skull length is 572 mm.
Carr, TD (7281173), Carr, TD
core   +1 more source