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254 results for “Lower Jurassic”
Figure 9 in The Lower Jurassic ornithischian dinosaur Heterodontosaurus tucki Crompton & Charig, 1962: cranial anatomy, functional morphology, taxonomy, and relationships
Figure 9. Heterodontosaurus tucki Crompton & Charig, 1962. Reconstruction of the skull in left lateral view. Bones of the upper jaw and suspensorium have been highlighted for clarity. For full list of abbreviations see end of paper.
Figure 6 in The Lower Jurassic ornithischian dinosaur Heterodontosaurus tucki Crompton & Charig, 1962: cranial anatomy, functional morphology, taxonomy, and relationships
Figure 6. Heterodontosaurus tucki Crompton & Charig, 1962. SAM-PK-K1332 (referred specimen). A, dorsal view of the skull. B, ventral view of the skull, see also Appendices 4C,D and 5A,B. Abbreviations: Bo, basioccipital; bpt, basipterygoid; Bs, basisphenoid; bsf, basisphenoid flange; dia, diastema; F, frontal; f-po, frontal-postorbital suture; J, jugal; jb, jugal boss; N, nasal; nf, narial fossa; nsul, internasal sulcus; Mx, maxilla; P, parietal; Pf, prefrontal; Pmx, premaxilla; Po, postorbital; pocc, paroccipital; Ppb, palpebral; Pt, pterygoid; ptq, pterygoid wing of the quadrate; Q, quadrate; Qj, quadratojugal; qpt, quadrate wing of the pterygoid; Sq, squamosal.
Figure 5 in The Lower Jurassic ornithischian dinosaur Heterodontosaurus tucki Crompton & Charig, 1962: cranial anatomy, functional morphology, taxonomy, and relationships
Figure 5. Heterodontosaurus tucki Crompton & Charig, 1962. SAM-PK-K1332 (referred specimen). A, left lateral view of the skull, lower jaw removed. B, outline annotated drawing of the same, see also Appendix 4B. Abbreviations: aaf, anterior antorbital fenestra; aof, antorbital fossa; bc, basioccipital condyle; J, jugal; jb, jugal boss; jp, ventrolateral jugal process; La, lacrimal; Mx, maxilla; mxr, lateral maxillary ridge; N, nasal; nf, narial fossa; nsul, internasal sulcus; Pa, parietal; paf, posterior antorbital fenestra; Pf, prefrontal; Po, postorbital; por, postorbital ridge; pocc, paroccipital; Ppb, palpebral; Psp, parasphenoid; Pt, pterygoid; ptf, pterygoid flange; ptq, pterygoid wing of the quadrate; Q, quadrate; qf, quadrate (paraquadratic) foramen; qpt, quadrate wing of the pterygoid; rJ, right jugal; rPo, right postorbital; Sq, squamosal; sqr, squamosal ridge.
Figure 3 in The Lower Jurassic ornithischian dinosaur Heterodontosaurus tucki Crompton & Charig, 1962: cranial anatomy, functional morphology, taxonomy, and relationships
Figure 3. Heterodontosaurus tucki Crompton & Charig, 1962. SAM-PK-K337 (holotype). A, dorsal view. B, ventral view. Even grey tone represents matrix and/or plaster infill. Abbreviations: Ar, articular; Bo, basioccipital; bpt, 'footplate' of basipterygoid; Bs, basisphenoid; bsf, basisphenoid flanges; bst, basisphenoid tubers; D, dentary; imf, internal mandibular foramen; jb, jugal boss; Mx, maxilla; N, nasal; nsul, internasal sulcus; Pa, parietal; Pd, predentary; Pf, prefrontal; Pmx, premaxilla; Po, postorbital; Ppb, palpebral; Pt, pterygoid; pft, pterygoid flange; pocc, paroccipital; Q, quadrate; Qj, quadratojugal; Sa, surangular; Sp, splenial; Sq, squamosal.
Figure 41. The single most parsimonious tree from Figure 40 in The Lower Jurassic ornithischian dinosaur Heterodontosaurus tucki Crompton & Charig, 1962: cranial anatomy, functional morphology, taxonomy, and relationships
Figure 41. The single most parsimonious tree from Figure 40, subjected to minor branch swapping (using Mac- Clade) within the clade Cerapoda [Hypsilophodon, Ankylopollexia, Pachycephalosauridae, and Psittacosauridae]; this part of the tree is not the principal focus of the formal analysis. Tree length: 310 steps. N.B. 'BMNH A100' has recently been formally renumbered NHMUK RU A100.
Figure 8 in The Lower Jurassic ornithischian dinosaur Heterodontosaurus tucki Crompton & Charig, 1962: cranial anatomy, functional morphology, taxonomy, and relationships
Figure 8. Heterodontosaurus tucki Crompton & Charig, 1962. A. Skull reconstruction in left lateral view. B. Annotated outline. Abbreviations: aof, antorbital fossa; An, angular; Ar, articular; Bo, basioccipital; Bs, basisphenoid; Co, coronoid; D, dentary; F, frontal; J, jugal; jb, jugal boss; jp, ventrolateral jugal process; La, lacrimal; Ls, laterosphenoid; Mx, maxilla; N, nasal; nf, narial fossa; Pa, parietal; paf, posterior antorbital fenestra; Pd, predentary; Pf, prefrontal; Pmx, premaxilla; Po, postorbital; Ppb, palpebral; Pro/Os, prootic-opisthotic; Psp, parasphenoid; ptq, pterygoid wing of the quadrate; Q, quadrate; qf, quadrate (paraquadratic) foramen; Qj, quadratojugal; qpt, quadrate wing of the pterygoid; Sa, surangular; Sq, squamosal.
Figure 7 in The Lower Jurassic ornithischian dinosaur Heterodontosaurus tucki Crompton & Charig, 1962: cranial anatomy, functional morphology, taxonomy, and relationships
Figure 7. Heterodontosaurus tucki Crompton & Charig, 1962. Occipital views. A, SAM-PK-K337 (holotype). B, SAM- PK-K1332 (referred specimen). Sheared surfaces that cut obliquely across the posterior left portion of the holotype skull – SAM-PK-K337 – are indicated by even grey tone, as is the foramen magnum, which is partially plugged with matrix. Abbreviations: Bo, basioccipital (condyle visible in B); bpt, basipterygoid process; bst, basisphenoid tuber; Ex, exoccipital; jb, jugal boss; lbpt, left basipterygoid process; nc, nuchal crest; Op, wing of opisthotic (A, left opisthotic sheared off at its base against the remainder of the braincase); ovc, occipital vascular canal; Pa, parietal;?pn, possible pneumatic opening in quadrate; Po, postorbital; pof, post-temporal fenestra; pocc, paroccipital process; ptf, pterygoid flange; Q, quadrate; qf, quadrate (paraquadratic) foramen; Qj, quadratojugal; rPt, right pterygoid; S, supraoccipital; Sq, squamosal.
Figure 33 in The Lower Jurassic ornithischian dinosaur Heterodontosaurus tucki Crompton & Charig, 1962: cranial anatomy, functional morphology, taxonomy, and relationships
Figure 33. Heterodontosaurus tucki. SAM-PK-K1334 (referred specimen). Isolated teeth, extracted from the original computed tomography image. A, medial/lingual aspect to show the long hollow roots to the fully erupted crowns and the position of the replacement crowns on the medial side of the roots of functional teeth. B, oblique view of the same to show the curvature of the roots and crowns, the angulation of the wear facets and the relative positions of the replacement crowns. For full list of abbreviations see end of paper.
Figure 23 in The Lower Jurassic ornithischian dinosaur Heterodontosaurus tucki Crompton & Charig, 1962: cranial anatomy, functional morphology, taxonomy, and relationships
Figure 23. Heterodontosaurus tucki Crompton & Charig, 1962. SAM-PK-K1332 (referred specimen). A, photograph of the left maxillary dentition as preserved in lateral view. B, photograph of the right maxillary dentition in lateral view.
Figure 28 in The Lower Jurassic ornithischian dinosaur Heterodontosaurus tucki Crompton & Charig, 1962: cranial anatomy, functional morphology, taxonomy, and relationships
Figure 28. Heterodontosaurus tucki. SAM-PK-K10487 (referred specimen). Partial skull of a juvenile heterodontosaur as preserved in: A, left lateral aspect; B, right lateral aspect. For full list of abbreviations see end of paper. (See also Butler et al., 2008b.)
Figure 32 in The Lower Jurassic ornithischian dinosaur Heterodontosaurus tucki Crompton & Charig, 1962: cranial anatomy, functional morphology, taxonomy, and relationships
Figure 32. Heterodontosaurus tucki. SAM-PK-K1334 (referred specimen). Medial view of the alveolar wall and adjacent bone and crowns. A, line drawing of the dentition showing the details of the groove (gr) that connects 'special foramina' ('pit') above the alveolar margin, the apical tip of replacement crown 'M.5' and the revealed crown of 'M.2'; the anterior half of this area is quite badly eroded so bone surface details are unclear. B, magnified detail of the replacement crown above 'M.2'. For full list of abbreviations see end of paper.
Figure 25 in The Lower Jurassic ornithischian dinosaur Heterodontosaurus tucki Crompton & Charig, 1962: cranial anatomy, functional morphology, taxonomy, and relationships
Figure 25. Heterodontosaurus tucki Crompton & Charig, 1962. SAM-PK-K1332 (referred specimen). Dentary dentition. A, right dentition in lateral view (top) and medial view (bottom). B, left dentition in lateral view (top) and medial view (bottom).
Figure 22 in The Lower Jurassic ornithischian dinosaur Heterodontosaurus tucki Crompton & Charig, 1962: cranial anatomy, functional morphology, taxonomy, and relationships
Figure 22. Heterodontosaurus tucki Crompton & Charig, 1962. SAM-PK-K337 (holotype). Anterior maxillary teeth (M.1–M.4) of the right maxilla, as preserved. The presence of M.1 is inferred from the ghost-like impression preserved in the matrix. For full list of abbreviations see end of paper.
Figure 26 in The Lower Jurassic ornithischian dinosaur Heterodontosaurus tucki Crompton & Charig, 1962: cranial anatomy, functional morphology, taxonomy, and relationships
Figure 26. Heterodontosaurus tucki Crompton & Charig, 1962. SAM-PK-K1332 (referred specimen). Line drawings of the right dental battery (De.2–De.11). A, lateral view; B, medial view; C, occlusal view of De.2–De.4.
Figure 29 in The Lower Jurassic ornithischian dinosaur Heterodontosaurus tucki Crompton & Charig, 1962: cranial anatomy, functional morphology, taxonomy, and relationships
Figure 29. Heterodontosaurus tucki. SAM-PK-K10487 (referred specimen). Partial skull of a juvenile heterodontosaur as preserved in: A, oblique left lateral aspect to show details of the maxillary dentition; B, ventral view. For full list of abbreviations see end of paper.
Figure 7 in An evolutional special case in the lower Orthorrhapha: some attractive fossil flies from the Middle Jurassic of China (Insecta: Diptera: Brachycera)
Figure 7. Strenorhagio conjugovenius sp. nov. Holotype, body with wings in dorsal view. A, photograph. B, camera lucida drawing.
Figure 6 in An evolutional special case in the lower Orthorrhapha: some attractive fossil flies from the Middle Jurassic of China (Insecta: Diptera: Brachycera)
Figure 6. Strenorhagio asymmetricus sp. nov. Paratype, photograph of body with a wing in lateral view.
Figure 4 in An evolutional special case in the lower Orthorrhapha: some attractive fossil flies from the Middle Jurassic of China (Insecta: Diptera: Brachycera)
Figure 4. Strenorhagio grimaldi sp. nov. Holotype, body with wings in dorsal view. A, photograph. B, camera lucida drawing.
Figure 5 in An evolutional special case in the lower Orthorrhapha: some attractive fossil flies from the Middle Jurassic of China (Insecta: Diptera: Brachycera)
Figure 5. Strenorhagio asymmetricus sp. nov. Holotype, body with wings in dorsal view. A, photograph. B, camera lucida drawing.
Figure 3 in An evolutional special case in the lower Orthorrhapha: some attractive fossil flies from the Middle Jurassic of China (Insecta: Diptera: Brachycera)
Figure 3. Strenorhagio deviatus sp. nov. Holotype, body with wings in dorsal view. A, photograph. B, camera lucida drawing.
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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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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.