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114 results for “Hadrosaurid”
Fig. 12 in Osteology and relationships of Olorotitan arharensis, a hollow-crested hadrosaurid dinosaur from the latest Cretaceous of Far Eastern Russia
Fig. 12. Hadrosaurid dinosaur Olorotitan arharensis Godefroit, Bolotsky, and Alifanov, 2003 (AEHM 2/845, holotype), from the Upper Cretaceous of Kundur (Russia). A. Left proatlas, in dorsal (A1) and ventral (A2) views. B. Atlas, in cranial (B1) and dorsal (B2) views.
Fig. 20 in Osteology and relationships of Olorotitan arharensis, a hollow-crested hadrosaurid dinosaur from the latest Cretaceous of Far Eastern Russia
Fig. 20. Left femur of hadrosaurid dinosaur Olorotitan arharensis Godefroit, Bolotsky, and Alifanov, 2003 (AEHM 2/845, holotype), from the Upper Cretaceous of Kundur (Russia), in cranial (A), medial (B), caudal (C), and lateral (D) views.
Fig. 23 in Osteology and relationships of Olorotitan arharensis, a hollow-crested hadrosaurid dinosaur from the latest Cretaceous of Far Eastern Russia
Fig. 23. Most parsimonious tree recovered from the phylogenetic analysis of Lambeosaurinae. Tree length = 175 steps, consitency index (CI) = 0.76; retention index (RI) = 0.83. Character list modified from Evans and Reisz (2007), see Appendix 2 for a list of modified and supplementary characters, Appendix 3 for the data matrix, and Appendix 4 for the tree description.
Fig. 9 in Osteology and relationships of Olorotitan arharensis, a hollow-crested hadrosaurid dinosaur from the latest Cretaceous of Far Eastern Russia
Fig. 9. Predentary of hadrosaurid dinosaur Olorotitan arharensis Godefroit, Bolotsky, and Alifanov, 2003 (AEHM 2/845, holotype), from the Upper Cretaceous of Kundur (Russia), in dorsal (A) and ventral (B) views. Photographs (A1, B1), explanatory drawings (A2, B2).
Fig. 8 in Osteology and relationships of Olorotitan arharensis, a hollow-crested hadrosaurid dinosaur from the latest Cretaceous of Far Eastern Russia
Fig. 8. Hadrosaurid dinosaur Olorotitan arharensis Godefroit, Bolotsky, and Alifanov, 2003 (AEHM 2/845, holotype), from the Upper Cretaceous of Kundur (Russia). A. Right premaxilla and rostral portion of right nasal, in lateral view. Photograph (A1), explanatory drawing (A2). B. Caudoventral portion of right nasal, in lateral view.
Fig. 6 in Osteology and relationships of Olorotitan arharensis, a hollow-crested hadrosaurid dinosaur from the latest Cretaceous of Far Eastern Russia
Fig. 6. Right maxilla of hadrosaurid dinosaur Olorotitan arharensis Godefroit, Bolotsky, and Alifanov, 2003 (AEHM 2/845, holotype), from the Upper Cretaceous of Kundur (Russia), in lateral (A) and medial (B) views. Photographs (A1, B1), explanatory drawings (A2, B2).
Fig. 13. Axis complex and cervical vertebrae 3–4 in Osteology and relationships of Olorotitan arharensis, a hollow-crested hadrosaurid dinosaur from the latest Cretaceous of Far Eastern Russia
Fig. 13. Axis complex and cervical vertebrae 3–4 of hadrosaurid dinosaur Olorotitan arharensis Godefroit, Bolotsky, and Alifanov 2003 (AEHM 2/845, holotype), from the Upper Cretaceous of Kundur (Russia), in right lateral (A) and dorsal (B) views. Abbreviatons: ax, axis; cv, cervical vertebra.
Fig. 2 in Osteology and relationships of Olorotitan arharensis, a hollow-crested hadrosaurid dinosaur from the latest Cretaceous of Far Eastern Russia
Fig. 2. Holotype (AEHM 2/845) of hadrosaurid dinosaur Olorotitan arharensis Godefroit, Bolotsky, and Alifanov, 2003, from the Upper Cretaceous of Kundur (Russia), as discovered in the field (N49°04'57.5", E130°51'34.1"). Abbreviations: L, left; N, North; R, right.
Fig. 7 in Osteology and relationships of Olorotitan arharensis, a hollow-crested hadrosaurid dinosaur from the latest Cretaceous of Far Eastern Russia
Fig. 7. Right jugal of hadrosaurid dinosaur Olorotitan arharensis Godefroit, Bolotsky, and Alifanov, 2003 (AEHM 2/845, holotype), from the Upper Cretaceous of Kundur (Russia), in lateral (A) and medial (B) views.
Fig. 3 in Osteology and relationships of Olorotitan arharensis, a hollow-crested hadrosaurid dinosaur from the latest Cretaceous of Far Eastern Russia
Fig. 3. Reconstruction of the skull of hadrosaurid dinosaur Olorotitan arharensis Godefroit, Bolotsky, and Alifanov, 2003, from the Upper Cretaceous of Kundur (Russia), in right lateral view.
Fig. 19 in Osteology and relationships of Olorotitan arharensis, a hollow-crested hadrosaurid dinosaur from the latest Cretaceous of Far Eastern Russia
Fig. 19. Hadrosaurid dinosaur Olorotitan arharensis Godefroit, Bolotsky, and Alifanov, 2003 (AEHM 2/845, holotype), from the Upper Cretaceous of Kundur (Russia). A. Left humerus, in cranial (A1), caudal (A2), and lateral (A3) views. B. Right ulna, in cranial (B1) and medial (B2) views. C. Right radius, in caudal (C1) and cranial (C2) views.
Fig. 5 in Osteology and relationships of Olorotitan arharensis, a hollow-crested hadrosaurid dinosaur from the latest Cretaceous of Far Eastern Russia
Fig. 5. Photographs of the braincase of hadrosaurid dinosaur Olorotitan arharensis Godefroit, Bolotsky, and Alifanov, 2003 (AEHM 2/845, holotype), from the Upper Cretaceous of Kundur (Russia), in right lateral (A), left lateral (B), and dorsal (C) views. D. Details of the right lateral view of the braincase.
Fig. 11 in Osteology and relationships of Olorotitan arharensis, a hollow-crested hadrosaurid dinosaur from the latest Cretaceous of Far Eastern Russia
Fig. 11. Right dentary teeth of hadrosaurid dinosaur Olorotitan arharensis Godefroit, Bolotsky, and Alifanov, 2003 (AEHM 2/845, holotype), from the Upper Cretaceous of Kundur (Russia), in lingual views. A. From the middle part of the dental battery. B. From the caudal part of the dental battery.
Fig. 10 in Osteology and relationships of Olorotitan arharensis, a hollow-crested hadrosaurid dinosaur from the latest Cretaceous of Far Eastern Russia
Fig. 10. Left dentary of hadrosaurid dinosaur Olorotitan arharensis Godefroit, Bolotsky, and Alifanov, 2003 (AEHM 2/845, holotype), from the Upper Cretaceous of Kundur (Russia), in medial (A), lateral (B), and dorsal (C) views. Photographs (A1, B1), explanatory drawings (A2, B2, C).
Valleculae on the frontal bone of a hadrosaurid dinosaur
<p>Internal view of the frontal bone of a hadrosaurid dinosaur (Amurosaurus riabinini, AEHM 1/240) (a internal left view, b internal right view). Arrows point to some of the valleculae.</p>
Fig. 11 in New hadrosaurid dinosaurs from the uppermost Cretaceous of northeastern China
Fig. 11. Pubis shape in various hadrosaurids. A, original data; B–F, after Brett−Surman (1989).
Data from: Individual, ontogenetic, and phylogenetic variation in the dentition of hadrosaurids (Iguanodontia: Ornithischia)
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Data from: Disparate feeding mechanics between two hadrosaurid dinosaurs support the potential for resource partitioning
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Data from: Trace fossils of possible parasites inside the gut contents of a hadrosaurid dinosaur, Upper Cretaceous Judith River Formation, Montana
Tiny sinuous trace fossils have been found within probable gut contents of an exceptionally preserved specimen of a hadrosaurid dinosaur, Brachylophosaurus canadensis, from the Judith River Formation of Montana. Approximately 280 examples of the trace fossils were observed in 19 samples of gut region material. The tubular structures typically are about 0.3 mm across. Many have thin calcareous linings or layers, and some exhibit fine surficial striae. At least two dozen of these trace fossils share walls with adjacent tubular traces, and this association can extend for several millimeters. While the trace fossils share some characteristics with fine rhizoliths, these features are most consistent with tiny burrows, or possibly body impressions, of worms (vermiform organisms) of uncertain biologic affinity. Such trace fossils have not been reported previously, and herein described as Parvitubulites striatus n. gen. n. sp. Either autochthonous (parasites) or allochthonous (scavengers) worms may have created the trace fossils, but taphonomic factors suggest that autochthonous burrowers are more likely. Several lines of evidence, such as constant diameters and matching directional changes, suggest that the paired trace fossils were made by two individuals moving at the same time, which implies sustained intraspecific contact. Parvitubulites striatus provides a rare record of interactions between terrestrial, meiofaunal-sized, soft-bodied invertebrates and a dinosaur carcass. The evidence that the worms may have parasitized a living hadrosaur and subsequently left traces of intraspecific behavior between individual worms adds unique information to our understanding of Mesozoic trophic interactions.
Data from: Examination of a historic collection of isolated cranial and appendicular hadrosaurid material from the lower Kirtland Formation of the San Juan Basin, New Mexico
The Field Museum of Natural History collection contains several isolated hadrosaurid specimens collected by Charles H. Sternberg from the lower Kirtland Formation of the San Juan Basin, New Mexico, that have been previously overlooked. Cranial elements described herein consist of a dentary and three jugals while appendicular material is limited to two humeri and two pubes. Many of the specimens preserve taxonomically informative characters that show strong affinities with Kritosaurini but are distinct from Kritosaurus navajovius (Brown, 1910) suggesting that the saurolophine-dominated San Juan Basin diversity is greater than currently recognized. Future examination of currently unprepared material will add to our developing understanding of the ambiguous hadrosaurid diversity of the San Juan Basin.
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Allen Brain Atlas
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International Brain Laboratory public data
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OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.