1-20 OF 73 RESULTS FOR

Deinonychus

Results shown limited to content with bounding coordinates.
Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Journal Article
Published: 25 July 2006
Canadian Journal of Earth Sciences (2006) 43 (6): 705–719.
...Gerald Grellet-Tinner; Peter Makovicky Abstract A unique find of a partial egg in contact with articulated gastralia from a known specimen of the dromaeosaurid Deinonychus antirrhopus (AMNH 3015) is described. Much of the original taphonomic context of the specimen was lost during the 1931...
FIGURES | View All (5)
Image
Pedal phalanges II-2 of (a)  <span class="search-highlight">Deinonychus</span> antirrhopus  (YPM VP.005205, rever...
Published: 22 December 2022
Fig. 2. Pedal phalanges II-2 of (a) Deinonychus antirrhopus (YPM VP.005205, reversed), (b) Achillobator giganticus and (c) ZIN PH 11/16, shown at the same scale for comparison. (a) Courtesy of DL Brinkman and (b) scanned and reversed from Perle et al . (1999, pl. 13). Scale bars each equal 1
Image
Figure  4. Right lateral view of the predatory strike of  <span class="search-highlight">Deinonychus</span>  in t...
Published: 01 January 2005
Figure 4. Right lateral view of the predatory strike of Deinonychus in three coordinate spaces. A, The path of the third fingertip through reconstructed limb positions (1–4) in an external coordinate system is primarily forward (modified from Gishlick 2001a ; Padian 2001 ; Jenkins 1993
Image
Figure  7. A minimum spanning tree based on the phenetic distances of the s...
Published: 01 January 2001
Figure 7. A minimum spanning tree based on the phenetic distances of the sampled hips and the affine-transformed outlines of Deinonychus. The arrows indicate both proximity in the sense of the minimum spanning tree and the direction of the transformation as explained in the text
Journal Article
Published: 11 August 2004
Canadian Journal of Earth Sciences (2004) 41 (8): 949–960.
... layer (layer 1) of Deinonychus antirrhopus , oviraptorid theropods, and observed during an early oogenetic stage in extant bird as primitive for saurischians. The eggshell morphology advocates that these eggs were likely incubated in moist nesting environments, perhaps such as nests covered with vegetal...
FIGURES | View All (4)
Journal Article
Journal: Paleobiology
Published: 01 January 2001
Paleobiology (2001) 27 (1): 59–78.
...Figure 7. A minimum spanning tree based on the phenetic distances of the sampled hips and the affine-transformed outlines of Deinonychus. The arrows indicate both proximity in the sense of the minimum spanning tree and the direction of the transformation as explained in the text ...
FIGURES | View All (11)
Journal Article
Published: 01 March 2009
Bulletin de la Société Géologique de France (2009) 180 (2): 145–154.
... – Mongolian Institute of Geology, Ulan Baatar, Mongolia. 20 10 2008 17 03 2008 The teeth from the above-mentioned localities in Var and Hérault share some characters with velociraptorine ( Saurornitholestes , Deinonychus , Velociraptor ) teeth [ Currie et al ., 1990 ], which...
FIGURES | View All (7)
Journal Article
Published: 22 December 2022
Geological Magazine (2023) 160 (2): 355–360.
...Fig. 2. Pedal phalanges II-2 of (a) Deinonychus antirrhopus (YPM VP.005205, reversed), (b) Achillobator giganticus and (c) ZIN PH 11/16, shown at the same scale for comparison. (a) Courtesy of DL Brinkman and (b) scanned and reversed from Perle et al . (1999, pl. 13). Scale bars each equal 1...
FIGURES
Image
Figure  1. Affine morphospace of the hip outline of the theropod dinosaur  ...
Published: 01 January 2001
Figure 1. Affine morphospace of the hip outline of the theropod dinosaur Deinonychus antirrhopus abstracted with 25 landmarks. A uniform transformation function was applied to the outlines highlighted in the center. Parameter ANG, horizontal axis, controls the extent and direction of the strain
Journal Article
Journal: Paleobiology
Published: 01 January 2005
Paleobiology (2005) 31 (3): 382–399.
...Figure 4. Right lateral view of the predatory strike of Deinonychus in three coordinate spaces. A, The path of the third fingertip through reconstructed limb positions (1–4) in an external coordinate system is primarily forward (modified from Gishlick 2001a ; Padian 2001 ; Jenkins 1993...
FIGURES | View All (7)
Image
Figure  5. Distal limb trajectories compared in a  glenoid  coordinate spac...
Published: 01 January 2005
, The alligator shows a similar downward path during the stance phase of walking. C, In contrast, during the predatory strike reconstructed for Deinonychus , the forelimb moves up and forward (black arrow). This trajectory is distinctly different from the flight stroke of birds (open arrow). Shoulder girdles
Image
Figure  13. Illustration of the proposed cuirassal breathing mechanism in t...
Published: 01 January 2000
Figure 13. Illustration of the proposed cuirassal breathing mechanism in the theropod Deinonychus antirrhopus and the early bird Sinornis santensis. A, The orientation and size of the pubes indicate that an ischiotruncus muscle was not present in maniraptorid theropods. For cuirassal breathing
Journal Article
Published: 18 June 2021
Canadian Journal of Earth Sciences (2021) 58 (9): 796–811.
... important taxa: “ Stenonychosaurus inequalis ” ( Russell 1969 ), Dromaeosaurus albertensis ( Colbert and Russell 1969 ), and Deinonychus antirrhopus ( Ostrom 1969 ). These descriptions were important contributions to the revitalization of the dinosaur origins of birds and in the rethinking of Mesozoic...
FIGURES | View All (4)
Image
Figure  4. Dendrogram showing the different groups employed to evaluate the...
Published: 01 January 2001
+ (Sauropodomorpha + ( Eoraptor + Herrerasauridae + (Ceratosauria + Tetanurae))))))), ( Novas 1994a ). (D) Aves and taxa involved in the group G7. Tree description: ( Deinonychus + ( Archaeopteryx + ( Alvarezsaurus + ( Mononykus, Shuvuuia + Patagonykus )) + ( Iberomesornis + (Enantiornithes + ( Patagopteryx
Journal Article
Published: 16 September 2010
Canadian Journal of Earth Sciences (2010) 47 (9): 1277–1289.
... Museum of Los Angeles County Contributions in Science 416 1 41 Brinkman D.L. Cifelli R.L. Czaplewski N.J. 1998 First occurrence of Deinonychus antirrhopus (Dinosauria: Theropoda) from the Antlers Formation (Lower Cretaceous: Aptian–Albian) of Oklahoma. Oklahoma Geological...
FIGURES
Journal Article
Journal: Paleobiology
Published: 01 January 2003
Paleobiology (2003) 29 (2): 293–297.
... of the precise range of motion in the forelimbs of Deinonychus and its implications for the ability to trap prey, climb, and fly. But the cross-testing of phylogenetic, mechanical, and aerodynamic approaches to these questions extends back at least as far as a paper that Jacques Gauthier and I published...
Journal Article
Published: 01 July 2009
Geological Magazine (2009) 146 (4): 602–616.
.... There is no clear evidence of a constriction at the base of the crown. Numerous teeth with a similar overall shape to that of SA 2004/3A ( Fig. 3 t) have been previously described from Cretaceous strata. To cite just three instances, this specimen resembles a lateral tooth of Deinonychus antirrhopus...
Image
Strict consensus tree resulting from heuristic search using phylogenetic an...
Published: 07 January 2002
-avian maniraptoran dinosaurs Troodon and Deinonychus were assigned as outgroups. Character distribution is as follows (ambiguous traits marked with *): Node 1, ventral cotyla of ulna disc-shaped, distal end of ulna with semi-lunate condyle, radius with proximal subcircular articulating pit
Journal Article
Published: 11 July 2016
Geological Magazine (2017) 154 (5): 946–962.
... number of theropods, including Albertosaurus libratus, Elmisaurus rarus, Avimimus portentosus, Coelophysis bauri, Dilophosaurus wetherilli, Ceratosaurus nasicornis, Allosaurus fragilis, Chilantaisaurus tashuikouensis, Elaphrosaurus bambergi and Deinonychus antirrhopus (see Holtz, 1994 , fig. 1, p...
Journal Article
Published: 14 September 2016
Canadian Journal of Earth Sciences (2017) 54 (2): 134–140.
... is comparable to eggshells associated with an adult skeleton of the dromaeosaurid Deinonychus from the Lower Cretaceous Cloverly Formation of Montana ( Grellet-Tinner and Makovicky 2006 ). A cladistic analysis of a Montanoolithus clutch revealed this ootaxon may belong to either a dromaeosaurid...
FIGURES