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307 results for “Ornithischia”
FIGURE 19 in A new specimen of Chasmosaurus belli (Ornithischia: Ceratopsidae), a revision of the genus, and the utility of postcrania in the taxonomy and systematics of ceratopsid dinosaurs
FIGURE 19. Posterior dorsal vertebrae of NHMUK R4948, Chasmosaurus belli in A, D, G, anterior, B, E, H, posterior and C, F, I, right lateral view. These vertebrae are termed dorsals five to seven in the text, but their exact location in the dorsal vertebral column is unknown. Scale bar equals 5 cm.
FIGURE 24 in A new specimen of Chasmosaurus belli (Ornithischia: Ceratopsidae), a revision of the genus, and the utility of postcrania in the taxonomy and systematics of ceratopsid dinosaurs
FIGURE 24. Ulnae and radius of NHMUK R4948, Chasmosaurus belli. A–F, right ulna in A, anterior, B, posterior, C, lateral, D, medial, E, dorsal and F, ventral view. G–L, left ulna in G, anterior, H, posterior, I, lateral J, medial, K, dorsal and L, ventral view. M–P, right radius in M, anterior, N, posterior, O, dorsal and P, ventral view. The radius is preserved in three parts that have been approximately positioned relative to each other. Abbreviations: al p, anterolateral process; m p, medial process; o p, olecranon process; r f, radial facet; u f, ulnar facet. Scale bar equals 10 cm for A–D, G–J and M–N, and 5 cm for E–F, K–L and O–P.
Figure 1 in A juvenile skull of Dysalotosaurus lettowvorbecki (Ornithischia: Iguanodontia), and implications for cranial ontogeny, phylogeny, and taxonomy in ornithopod dinosaurs
Figure 1. Reconstruction and comparison of the skull BSPG AS I 834 with the reconstruction of an older individual (modified from Janensch, 1955). The reconstruction of the juvenile skull was carried out by the combination of the frontoparietal plate, the left postorbital, the left squamosal, a combination of the left and the head of the right quadrate, the left jugal, the braincase, the right maxilla, the left laterodorsal maxillary process, and finally the right lower jaw with the left articular. Dark grey illustrates the skull openings, light grey illustrates the inner views of, e.g. the maxilla or the frontal, and the greyish pattern on the lower jaw and the braincase illustrates sediment. A, dorsal view of the skull reconstructed by Janensch (1955). B, left lateral view of the skull reconstructed by Janensch (1955). C, dorsal view of the reconstruction of BSPG AS I 834. For the unlabelled elements see the corresponding elements in (A). D, left lateral view of the reconstruction of BSPG AS I 834. For the unlabelled elements see the corresponding elements in (B). Note, for example, the difference of the mandibular articulation between (B) and (D). Furthermore, Janensch (1955) indicated the unknown quadratojugal in (B). This is omitted here. See Material and methods for a list of the abbreviations. Scale bars: 1 cm.
Figure 8 in A juvenile skull of Dysalotosaurus lettowvorbecki (Ornithischia: Iguanodontia), and implications for cranial ontogeny, phylogeny, and taxonomy in ornithopod dinosaurs
Figure 8. Diagram resulting from the multivariate allometric analysis (MAA) of five measurements of the dentary carried out by the PAST program. The allometric coefficient is marked by the broad line imbedded in the 95% intervals. The numbers of the measurements are explained in Appendix S2.
Figure 2 in A juvenile skull of Dysalotosaurus lettowvorbecki (Ornithischia: Iguanodontia), and implications for cranial ontogeny, phylogeny, and taxonomy in ornithopod dinosaurs
Figure 2. Stereo pairs of the skull BSPG AS I 834 and explanatory sketches. The sketches are relatively enlarged for better resolution. Dark grey illustrates sediment, light grey illustrates inner views of, e.g. the frontals or the dentaries, and hatched areas illustrate broken or corroded surfaces. The label affixes -r and -l stand for right and left of the respective element, where the distinction of each side is difficult to see. A, left lateral view. B, outline drawing of the left lateral view. C, outline drawing of the occipital view. D, occipital view. See Material and methods for a list of the abbreviations. Scale bars: 1 cm.
Figure 6 in A juvenile skull of Dysalotosaurus lettowvorbecki (Ornithischia: Iguanodontia), and implications for cranial ontogeny, phylogeny, and taxonomy in ornithopod dinosaurs
Figure 6. Comparison of associated frontal pairs of two individuals of Dysalotosaurus, presented in articulation in dorsal view. A, the smallest frontals preserved (the left frontal GPIT/RE/1595/17; the right frontal GPIT/RE/1595/15). B, large frontals of the individual dyA (the right frontal MB.R.1377; the left frontal MB.R.1378). The orbital rim (or) is marked. Scale bar: 1 cm.
Figure 4 in A juvenile skull of Dysalotosaurus lettowvorbecki (Ornithischia: Iguanodontia), and implications for cranial ontogeny, phylogeny, and taxonomy in ornithopod dinosaurs
Figure 4. Computed tomography (CT) sections of the skull BSPG AS I 834. A, horizontal section at the level of the dentary tooth crowns in ventral view. B, sagittal section at about the sagittal midline in left lateral view. C, coronal section at about the middle of the anteroposterior length in anterior view. D, coronal section about 1 cm posterior to (C) in anterior view. See Material and methods for a list of the abbreviations.
Figure 15 in Reappraisal and new material of the holotype of Draconyx loureiroi (Ornithischia: Iguanodontia) provide insights on the tempo and modo of evolution of thumb-spiked dinosaurs
Figure 15. Life restoration of Draconyx loureiroi, in the environment represented by Lourinhã Formation. Credit: Victor Carvalho, used with permission under CC BY NC 4.0 license.
Figure 13 in Reappraisal and new material of the holotype of Draconyx loureiroi (Ornithischia: Iguanodontia) provide insights on the tempo and modo of evolution of thumb-spiked dinosaurs
Figure 13. Time calibrated Maximum Compatibility Tree (MCT) of the Bayesian clock analysis of the dataset of Xu et al. (2018). Colours of the branches reflect median evolutionary rates and number represents absolute values along branches themselves.
Figure 11 in Reappraisal and new material of the holotype of Draconyx loureiroi (Ornithischia: Iguanodontia) provide insights on the tempo and modo of evolution of thumb-spiked dinosaurs
Figure 11. Pruned strict consensus tree of the parsimony analysis of the dataset of Bell et al. (2018). Bootstrap value in blue, Bremer support in red. Silhouettes from phylopic.org. Credit: Nobu Tamyra, Matthew Dempsey and Gareth Monger.
Figure 10 in Reappraisal and new material of the holotype of Draconyx loureiroi (Ornithischia: Iguanodontia) provide insights on the tempo and modo of evolution of thumb-spiked dinosaurs
Figure 10. Comparison between the left femur ML 434 and the right femur SHN.(JJS).15. Femur SHN.015 and ML 434 in cranial (A, C) and medial (B, D) view. Abbreviations: 4th: fourth trochanter, cr, crest, fh, femoral head, lc, lateral condyle, lt, lesser trochanter, mc, medial condyle, mcl, scar of the Musculus caudifemoralis longus.
Figure 12 in Reappraisal and new material of the holotype of Draconyx loureiroi (Ornithischia: Iguanodontia) provide insights on the tempo and modo of evolution of thumb-spiked dinosaurs
Figure 12. Time calibrated strict consensus tree of the analysis including Draconyx loureiroi in the dataset of Xu et al. (2018) (A). Bootstrap value in blue, Bremer support in red. Red colour is associated with an increasing Homoplasy Concentration index. XY graphs of Average Evolutionary Rates (B) and Average Homoplasy Rates (C) through time. Note the coinciding peaks of both AER and AHR. Silhouettes from phylopic.org. Credit: Michael Keesey, Matthew Dempsey and Pete Buchholz.
Figure 8 in Reappraisal and new material of the holotype of Draconyx loureiroi (Ornithischia: Iguanodontia) provide insights on the tempo and modo of evolution of thumb-spiked dinosaurs
Figure 8. Three dimensional models of the pes of Draconyx loureiroi holotype ML 357. Articulated pes (ML 357-12) (A–F) in medial (A), lateral (B), dorsal (C), plantar (D) and caudal (E) views, F, detail of metatarsal I. Abbreviations: as: astragalus, ca, calcalneum, fi: fibula, lm: lateral malleolus, mm: medial malleolus, mt-I: metatarsal I, mt-II: metatarsal II, mt-III: metatarsal III, mt-IV: metatarsal IV, p II-1: pedal phalanx II-1, p II-1: pedal phalanx II-2, p III-1: pedal phalanx III-1, p III-3: pedal phalanx III-3, ta-3: tarsal 3, ta-4: tarsal 4, un-II: ungual II, un-III: ungual III.
Figure 6 in Reappraisal and new material of the holotype of Draconyx loureiroi (Ornithischia: Iguanodontia) provide insights on the tempo and modo of evolution of thumb-spiked dinosaurs
Figure 6. Three dimensional models of limb bones elements of Draconyx loureiroi holotype ML 357 (ML 357 6-8), femur (A–E) and tibia and proximal end of fibula (F–J). Femur (ML 357 – 6) in cranial view (A), medial view (B), caudal view (C), lateral view (D) and distal view (E). Tibia (ML 357 – 7) and proximal end of fibula (ML 357 – 8) in cranial view (F), medial view (G), caudal view (H), lateral (I) and proximal (J) views.
Figure 1 in Reappraisal and new material of the holotype of Draconyx loureiroi (Ornithischia: Iguanodontia) provide insights on the tempo and modo of evolution of thumb-spiked dinosaurs
Figure 1. Geographical and geological settings of ML 357. A, B, Stratigraphic log of the Lourinhã Formation and position of the specimen. C, Re-adapted from Rotatori et al. (2020). Map of the Iberian Peninsula courtesy of Eduardo Puertolas-Pascual.
Figure 7 in Reappraisal and new material of the holotype of Draconyx loureiroi (Ornithischia: Iguanodontia) provide insights on the tempo and modo of evolution of thumb-spiked dinosaurs
Figure 7. Comparison of distal sections of femoral shaft from selected iguanodontians. A, Draconyx loureiroi, B, Uteodon aphanoecetes, C, Cumnoria prestwichii, D, Camptosaurus dispar, E, Barilium dawsoni, F, Mantellisaurus atherfieldensis and G, Iguanodon galvensis. Abbreviations: cod: condylid, eg: extensor groove, fg: flexor groove, lc: lateral condyle, mc: medial condyle. Distal sections drawn from: Carpenter & Wilson, 2008; Galton & Powell, 1980; Norman, 2011; Norman, 1986; Verdù et al., 2018.
Figure 2 in Reappraisal and new material of the holotype of Draconyx loureiroi (Ornithischia: Iguanodontia) provide insights on the tempo and modo of evolution of thumb-spiked dinosaurs
Figure 2. Two maxillary teeth of Draconyx loureiroi holotype ML 357 in labial and lingual views. Completely preserved maxillary in labial (A) and lingual (C) views; isolated maxillary crown in labial (B) and lingual (D) views. Abbreviations: ne: neck, os: occlusal surface, pr: primary ridge, tr: tertiary ridges.
Figure 4 in Reappraisal and new material of the holotype of Draconyx loureiroi (Ornithischia: Iguanodontia) provide insights on the tempo and modo of evolution of thumb-spiked dinosaurs
Figure 4. Three dimensional models of axial skeleton of Draconyx loureiroi holotype ML 357 (A–F): Caudal n.2 ML 357-10 in cranial view (A), left lateral view (B), caudal view (C), right lateral view (D), ventral view (E) and dorsal view (F). Caudal n.3 ML 357-11 (G–L) in cranial view (G), left lateral view (H), caudal view (I), right lateral view (J), ventral view (K) and dorsal view (L). Caudal n.1 ML 357-9 (M-R): cranial view (M), left lateral view (N), caudal view (O), right lateral view (P), ventral view (Q) and dorsal view (R). Abbreviations: cf: chevron facet, k: keel, nc: neural canal, ns: neural spine, tp: transverse process.
Figure 14 in Reappraisal and new material of the holotype of Draconyx loureiroi (Ornithischia: Iguanodontia) provide insights on the tempo and modo of evolution of thumb-spiked dinosaurs
Figure 14. Comparison of the manual anatomy of selected styracosternans. Uteodon aphanoecetes left manus (specimen CM 11337) in extensor view (A), proximal view (D) and palmar view (G). Camptosaurus dispar right manus, reversed (specimen USNM 4277) in extensor view (B), proximal view (E) and palmar view (H) (holotype USNM 4282). Magnamanus soriaensis right manus (holotype MNS 2000) in extensor view (C), proximal view (F) and palmar view (I). Note the difference in the structure of the carpus: Uteodon aphanoecetes presents a partially fused and not closely packed carpus, Camptosaurus dispar presents a partially fused but closely packed carpus while Magnamanus soriaensis presents the typical stout and fused element of Styracosterna. J, Stratigraphic distribution of these characters. Abbreviations: dc1: distal carpal 1, dc2: distal carpal 2, dc3: distal carpal 3, dc4: distal carpal4, dc5: distal carpal 5, in: intermedium, mc1: metacarpal 1, ra: radiale, ul: ulnare.
Figure 9 in Reappraisal and new material of the holotype of Draconyx loureiroi (Ornithischia: Iguanodontia) provide insights on the tempo and modo of evolution of thumb-spiked dinosaurs
Figure 9. Three dimensional models of the articulated leg (A–B) and pes (C–D) of Draconyx loureiroi holotype ML 357. Leg in medial view (A) and lateral view (B). Pes in medial (C) and lateral (D) views.
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Allen Brain Atlas
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Annotated Behaviour and Observability Dataset (ABODe)
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DANDI Archive for NWB datasets
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