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965 results for “theropod”
Figure 11 in Cranial osteology and phylogenetic position of the theropod dinosaur Proceratosaurus bradleyi (Woodward, 1910) from the Middle Jurassic of England
Figure 11. Proceratosaurus bradleyi, ventral portion of right lacrimal and fragment of right prefrontal in posterolateral view. Abbreviations: aof, antorbital fossa; j, jugal; l, lacrimal; lf, lacrimal foramen; prf, prefrontal.
Figure 10 in Cranial osteology and phylogenetic position of the theropod dinosaur Proceratosaurus bradleyi (Woodward, 1910) from the Middle Jurassic of England
Figure 10. Proceratosaurus bradleyi, stereophotographs and interpretative drawing of the posterior end of the antorbital fossa on the right side of the skull, showing the connection of the jugal with the lacrimal, and the collapsed pneumatic pocket in the jugal. Abbreviations: ao, antorbital opening; aof, antorbital fossa; j, jugal; jpn, collapsed pneumatic pocket of the jugal; jr, jugal ridge; l, lacrimal; o, orbit; r, rugosities; sa, surangular.
Figure 6 in Cranial osteology and phylogenetic position of the theropod dinosaur Proceratosaurus bradleyi (Woodward, 1910) from the Middle Jurassic of England
Figure 6. Proceratosaurus bradleyi, contact between the anterior dorsal process of the premaxilla and the anterior end of the nasal. The scale bar is graded in mm.
Figure 9 in Cranial osteology and phylogenetic position of the theropod dinosaur Proceratosaurus bradleyi (Woodward, 1910) from the Middle Jurassic of England
Figure 9. Proceratosaurus bradleyi, coronal CT slice of skull at the level of the anterior half of the antorbital fenestra, showing the small maxillary shelf in this area. Abbreviations: m, maxilla; man, mandible; mas, maxillary shelf; pale, palatal elements.
Figure 7 in Cranial osteology and phylogenetic position of the theropod dinosaur Proceratosaurus bradleyi (Woodward, 1910) from the Middle Jurassic of England
Figure 7. Proceratosaurus bradleyi, coronal CT slice of skull at the level of the premaxillary–maxillary suture, showing the nasal vacuities and the canal leading from the subnarial foramen to the palate. Abbreviations: amp, anteromedial process; ms, median septum; n, nasal; pm, premaxilla; pn, pneumatic cavity; snc, subnarial canal; snf, subnarial foramen.
Figure 8 in Cranial osteology and phylogenetic position of the theropod dinosaur Proceratosaurus bradleyi (Woodward, 1910) from the Middle Jurassic of England
Figure 8. Proceratosaurus bradleyi, right maxillary antorbital fossa in posterolateral view (stereophotographs and interpretative drawing), showing the maxillary fenestra and promaxillary foramen. Abbreviations: aof, antorbital fossa; f, foramen; m, maxilla; mf, maxillary fenestra; n, nasal; pm, premaxilla; pro, promaxillary foramen. For clarity, only the teeth of the right side are shown in the drawing.
Figure 5 in Cranial osteology and phylogenetic position of the theropod dinosaur Proceratosaurus bradleyi (Woodward, 1910) from the Middle Jurassic of England
Figure 5. Anterior view of the snout of Proceratosaurus bradleyi, showing the broadly arched premaxillae and the large, anteriorly directed foramina; f, foramen. Scale bar: 1 cm.
Figure 4 in Cranial osteology and phylogenetic position of the theropod dinosaur Proceratosaurus bradleyi (Woodward, 1910) from the Middle Jurassic of England
Figure 4. Right premaxilla and anterior end of the maxilla of Proceratosaurus bradleyi in lateral view. Abbreviations: en, external naris; m, maxilla; pm, premaxilla; snf, subnarial foramen. The scale bar is graded in mm.
Figure 3 in Cranial osteology and phylogenetic position of the theropod dinosaur Proceratosaurus bradleyi (Woodward, 1910) from the Middle Jurassic of England
Figure 3. Proceratosaurus bradleyi. Reconstruction of the preserved parts of the skull in right lateral view. Abbreviations as in Figure 2, with the addition of: f, foramen; pjf, pneumatic jugal foramen. Scale bar: 50 mm.
Figure 2 in Cranial osteology and phylogenetic position of the theropod dinosaur Proceratosaurus bradleyi (Woodward, 1910) from the Middle Jurassic of England
Figure 2. Proceratosaurus bradleyi, type skull: NHM R 4860. Stereophotographs in (A), right, and (B), left lateral view. C, interpretative drawing of skull as preserved in left lateral view; D, interpretative drawing of skull in right lateral view. For clarity, only the teeth of the respective side are shown in the drawings. Dashed lines indicate impressions of the angular and prearticular in the matrix. Abbreviations: a, angular; ao, antorbital opening; aof, antorbital fossa; ar, articular; d, dentary; emf, external mandibular fenestra; en, external naris; h, hyoid; j, jugal; l, lacrimal; lf, lacrimal foramen; ltf, infratemporal fenestra; m, maxilla; mf, maxillary fenestra; n, nasal; o, orbit; pal, palatine; pm, premaxilla; pra, prearticular; prf, prefrontal; po, postorbital; pro, promaxillary foramen; pt, pterygoid; q, quadrate; qj, quadratojugal; sa, surangular; snf, subnarial foramen; sq, squamosal; v, vomer. Scale bars: 50 mm.
Figure 18 in Cranial osteology and phylogenetic position of the theropod dinosaur Proceratosaurus bradleyi (Woodward, 1910) from the Middle Jurassic of England
Figure 18. Proceratosaurus bradleyi, saggital CT slice through the posterior part of the skull, showing the cultriform process of the parasphenoid (cpa).
Figure 20 in Cranial osteology and phylogenetic position of the theropod dinosaur Proceratosaurus bradleyi (Woodward, 1910) from the Middle Jurassic of England
Figure 20. Proceratosaurus bradleyi, fourth right premaxillary tooth in medial view (slightly posteromedial). The scale bar is graded in mm.
Figure 24 in Cranial osteology and phylogenetic position of the theropod dinosaur Proceratosaurus bradleyi (Woodward, 1910) from the Middle Jurassic of England
Figure 24. Stratigraphic distribution and ghost lineages in basal coelurosaurs, especially tyrannosauroids.
Figure 23 in Cranial osteology and phylogenetic position of the theropod dinosaur Proceratosaurus bradleyi (Woodward, 1910) from the Middle Jurassic of England
Figure 23. Phylogenetic relationships of Proceratosaurus. Strict consensus tree of 315 trees resulting from the analysis of a matrix with 38 taxa and 206 characters.
Figure 26 in Cranial osteology and phylogenetic position of the theropod dinosaur Proceratosaurus bradleyi (Woodward, 1910) from the Middle Jurassic of England
Figure 26. Biogeographic distribution of Jurassic tyrannosauroids. 1, Proceratosaurus bradleyi, Great Oolite, England (Bathonian); Stokesosaurus langhami, Kimmeridge Clay, England (Tithonian); 2, Guanlong wucaii, Shishougou Formation, Xinjiang, China (Oxfordian); 3, Aviatyrannis jurassica, Guimarota Beds, Portugal (Kimmeridgian); 4, Stokesosaurus clevelandi, Morrison Formation, Utah, USA (Kimmeridgian–Tithonian).
Figure 1 in Cranial osteology and phylogenetic position of the theropod dinosaur Proceratosaurus bradleyi (Woodward, 1910) from the Middle Jurassic of England
Figure 1. Proceratosaurus bradleyi, type skull: NHM R 4860. A, left lateral view; B, right lateral view. Scale bars: 10 cm.
Figure 27. Theropod skeletal forms. A in Scelidosaurus harrisonii (Dinosauria: Ornithischia) from the Early Jurassic of Dorset, England: biology and phylogenetic relationships
Figure 27. Theropod skeletal forms. A, Herrerasaurus (a dinosauriform, stem-dinosaur or a basal theropod – according to various analyses). B, Allosaurus a tetanuran theropod – see Fig. 28). C, Ornithomimus a coelurosaur. D, Nothronychus, a coelurosaur. E, Oviraptor, a maniraptoran. F, Deinonychus, a paravian. Herrerasaurus and all other theropods possess gastralia. Images kindly provided by Scott Hartman who retains the copyright of each. Scale bar in centimetres.
Extended Data Figure 5 in A bizarre Jurassic maniraptoran theropod with preserved evidence of membranous wings
Extended Data Figure 5 | Photographs of preserved integumentary features of STM 31-2. a–c, Feathers over the neck (a), along the humerus (b) and along the humerus and ulna (c); d, isolated basally converging feathers; e, sheet-like soft tissue and feathers associated with the right forelimb and feathers along the right hindlimb; f, g, close-ups of sheet-like soft tissue associated with the right forelimb (f) and distal phalanges of manual digit IV (g).
Figure 2 in Tyrannosaurus rex runs again: a theoretical analysis of the hypothesis that full-grown large theropods had a locomotory advantage to hunt in a shallow-water environment
Figure 2. Depiction of the measurements (a, b, h) taken from figures in the paper by Bates et al. (2009) and the methods to estimate wetted areas and volumes from cylindrical slices. A representative example of the methods (best reconstruction of Tyrannosaurus rex BHI 3033) is shown. The silhouettes were modified from fig. 5 in the paper by Bates et al. (2009). A, cranial view and lateromedial measurements. B, right lateral view and anteroposterior measurements. C, a generic cylindrical slice and the equations to estimate the contribution to the total areas and volumes.
Figure 1 in Tyrannosaurus rex runs again: a theoretical analysis of the hypothesis that full-grown large theropods had a locomotory advantage to hunt in a shallow-water environment
Figure 1. Schematic representation of the hunting scenario. Tyrannosaurus rex is wading in mode II, while Edmontosaurus annectens and Struthiomimus sedens are already engaged in mode IV, corresponding to surface swimming.
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Allen Brain Atlas
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DANDI Archive for NWB datasets
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International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
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.