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Centrosaurus apertus

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Journal Article
Journal: PALAIOS
Published: 01 September 2015
PALAIOS (2015) 30 (9): 655-667.
...KENTARO CHIBA; MICHAEL J. RYAN; DENNIS R. BRAMAN; DAVID A. EBERTH; EVAN E. SCOTT; CALEB M. BROWN; YOSHITSUGU KOBAYASHI; DAVID C. EVANS Abstract The horned dinosaur Centrosaurus apertus from the Belly River Group (Campanian) is represented by multiple articulated skulls and skeletons...
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Journal Article
Published: 13 December 2016
Canadian Journal of Earth Sciences (2016) 54 (1): 1-14.
... defined as the stem-based clade of centrosaurine ceratopsids more closely related to Nasutoceratops titusi than to Centrosaurus apertus . The new clade is diagnosed, in part, by having a parietosquamosal frill lacking modified epimarginals; a small nasal horncore; large, rostrolaterally directed...
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Journal Article
Journal: PALAIOS
Published: 01 October 2001
PALAIOS (2001) 16 (5): 482-506.
... for evidence of herding and social behavior in dinosaurs, but a detailed analysis of the site has not been presented until this study. The bone bed is dominated by the disarticulated, mostly fragmentary and slightly abraded remains of Centrosaurus apertus , with minor occurrences of other taxa, notably teeth...
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Stratigraphic correlation of  <b>Centrosaurus</b> <b>apertus</b>  bonebeds (modified from...
in > PALAIOS
Published: 01 September 2015
Fig. 3.— Stratigraphic correlation of Centrosaurus apertus bonebeds (modified from Eberth and Hamblin 1993) . The radiometric ages of the bentonite layers in brackets are the original dates from Eberth and Hamblin (1993) , which were used for correlation of the formations between the two
Image
<b>Centrosaurus</b>  <b>apertus</b>  specimens from multiple localities in the Milk River...
in > PALAIOS
Published: 01 September 2015
Fig. 9.— Centrosaurus apertus specimens from multiple localities in the Milk River area. A ) Dorsal view of parietal skull (TMP 1993.070.0001). B ) Dorsal view of left parietal bar (TMP 1993.070.0001). C ) Lateral view of right squamosal (TMP 1993.070.0001). D ) dorsal view of partial
Journal Article
Published: 08 November 2012
Canadian Journal of Earth Sciences (2012) 49 (10): 1251-1262.
..., except Centrosaurus apertus , spike-like ornamentation at the posterolateral (P3) locus under traditional coding methods. At approximately 78 Ma, it is the oldest known Canadian ceratopsid, approximately 0.5 Ma older than Albertaceratops from the lower Oldman Formation of Canada and approximately 1.0 Ma...
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Journal Article
Published: 04 November 2005
Canadian Journal of Earth Sciences (2005) 42 (7): 1369-1387.
...Michael J. Ryan; Michael J. Ryan; Anthony P. Russell Abstract Centrosaurus brinkmani (sp. nov) is distinguished from Centrosaurus apertus by key features of its cranial ornamentation, including the shape and orientation of the postorbital horn and parietal ornamentation at parietal locus 3...
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Generalized illustrations of the parietals of (A)  <b>Centrosaurus</b> brinkmani  ...
Published: 04 November 2005
Fig. 7. Generalized illustrations of the parietals of (A)  Centrosaurus brinkmani and (B)  Centrosaurus apertus parietal processes, P1–P7. Scale bar = 10 cm.
Series: NRC Monograph Publishing Program
Published: 01 January 2008
EISBN: 9780660198200
... and Centrosaurus apertus. (A and B) Right jugal of a subadult Pachyrhinosaurus lakustai (TMP 1987.55.88) in lateral and medial views; (C) medial view of right jugal of Centrosaurus (TMP 1980.18.115); incomplete left jugal of immature Pachyrhinosaurus lakustai (TMP 1989.55.149) showing partly ankylosed...
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Reconstructions of Centrosaurinae parietals. (A)  Xenoceratops foremostensi...
Published: 08 November 2012
Fig. 7. Reconstructions of Centrosaurinae parietals. (A) Xenoceratops foremostensis ; (B) Centrosaurus apertus ; (C) Styracosaurus albertensis ; (D) Achelousaurus horneri ; (E) Albertaceratops nesmoi ; (F) Pachyrhinosaurus lakustai ; (G) Einiosaurus procurvicornus ; (H) Diabloceratops
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Locality information of the McPheeters bonebed.  A ) Locality map of  Centr...
in > PALAIOS
Published: 01 September 2015
Fig. 1.— Locality information of the McPheeters bonebed. A ) Locality map of Centrosaurus apertus bonebeds. B ) The McPheeters bonebed from a distance showing the quarry (MBB Quarry) and a bentonite layer (Bentonite), which is included in the stratigraphic section in Figure 3 . Dashed line
Journal Article
Published: 05 August 2015
Canadian Journal of Earth Sciences (2015) 52 (8): 655-681.
...-weather flow and bank collapse (typical of meandering channels). Currie and Dodson (1984) focused on a monodominant bonebed (BB 43) at DPP that was dominated by the disarticulated remains of Centrosaurus apertus . Based on demographic data, they concluded that the bonebed comprises...
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Journal Article
Published: 28 November 2017
Journal of Paleontology (2017) 92 (2): 272-288.
... Eucentrosaura as the least inclusive clade containing Centrosaurus apertus and Pachyrhinosaurus canadensis in order to facilitate the morphological comparisons of the Medusaceratops material with other centrosaurines in this study. Eucentrosaura includes the members of Centrosaurini and Pachyrhinosaurini...
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Journal Article
Published: 01 March 2011
Journal of Paleontology (2011) 85 (2): 298-302.
.... , 1994 , North America's first pre-Cretaceous ankylosaur (Dinosauria) from the Upper Jurassic Morrison Formation of western Colorado : Brigham Young University Geological Studies , 40 . 25 – 42 . Lambe , L. M. , 1910 , Note on the parietal crest of Centrosaurus apertus and a proposed new...
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Journal Article
Published: 19 October 2001
Canadian Journal of Earth Sciences (2001) 38 (10): 1423-1438.
... and C. belli is parallelled by that of Centrosaurus apertus and Styracosaurus albertensis , with the former, like Chasmosaurus russelli , confined to the lower part of the Formation, and the latter, like C. belli , confined to the upper portion of the Formation ( Ryan et al. 1998 ). This suggests...
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Journal Article
Journal: PALAIOS
Published: 13 February 2018
PALAIOS (2018) 33 (2): 55-60.
...., and Evans, D.C., 2015 , Taphonomy of a monodominant Centrosaurus apertus (Dinosauria: Ceratopsia) bonebed from the upper Oldman Formation of southeastern Alberta : PALAIOS , v . 30 , p . 655 – 667 . Conolly...
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Journal Article
Published: 01 July 2010
Journal of Paleontology (2010) 84 (4): 681-694.
... of a ceratopsid: Chasmosaurus belli ( Lambe, 1902 ) and Centrosaurus apertus ( Lambe, 1904 ) are both valid species that were named on the basis of isolated parietals. Lehman (1989 , 1990) considered both AMNH 5401 and NMC 1254 to be distinct from the remaining specimens of Chasmosaurus but continued...
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Series: GSA Field Guide
Published: 01 January 2017
DOI: 10.1130/2017.0048(02)
Journal Article
Published: 10 January 2013
Canadian Journal of Earth Sciences (2013) 50 (2): 171-182.
... Palaeontology , vol. III , part II : 25 – 81 . Lambe , L.M. 1910 . Note on the parietal crest of Centrosaurus apertus and a proposed new generic name for Stereocephalus tutus . Ottawa Naturalist , 14 : 149 – 151 . Maleev , E.A. 1954 . Pantsyrnye dinosavry verchnego mela...
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Journal Article
Published: 01 March 2007
Journal of Paleontology (2007) 81 (2): 376-396.
... on numerous Centrosaurus apertus postorbitals in the TMP collections ( Ryan, 1992 ). The palpebral is a long, narrow bone that forms most of the rostral margin of the orbit. Only the dorsal margin of the right orbit is preserved on the skull, but a portion of its rostral margin is preserved...
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