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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 13. A in Ontogeny and variation of the pachycephalosaurine dinosaur Sphaerotholus buchholtzae, and its systematics within the genus
Figure 13. A, stratigraphic distribution of the three Sphaerotholus species throughout the Late Cretaceous. 1, S. buchholtzae; 2, S. edmontonensis, 3, S. goodwini. Stratigraphic section modified from Williamson & Carr (2002). B, distribution of S. buchholtzae specimens throughout the Hell Creek Formation. Modified from Williamson & Carr (2002). Specimens not to scale.
Figure 7 in Ontogeny and variation of the pachycephalosaurine dinosaur Sphaerotholus buchholtzae, and its systematics within the genus
Figure 7. Linear bivariate logarithmic plot of examined pachycephalosaurids. All square = Sphaerotholus edmontonenesis; stars = S. goodwini; circles = S. buchholtzae; triangles = Foraminacephale brevis; diamond = Prenocephale prenes. L:W = length to width of the frontoparietal dome; T:W = thickness to width of the frontoparietal dome; L:T = length to thickness of the frontoparietal dome.
Figure 5 in Ontogeny and variation of the pachycephalosaurine dinosaur Sphaerotholus buchholtzae, and its systematics within the genus
Figure 5. Geographic map showing the distribution of Sphaerotholus buchholtzae and S. edmontonensis within the United States of America and Canada. Red square = S. edmontonensis; blue circle = S. buchholtzae.
Figure 3 in Ontogeny and variation of the pachycephalosaurine dinosaur Sphaerotholus buchholtzae, and its systematics within the genus
Figure 3. Sphaerotholus buchholtzae specimens that span the ontogenetic series, and were the primary specimens examined in this study: UCMP 186026 (A, E, I, M, Q), UWBM 89701 (B, F, J, N, R), ROM 53584 (C, G, K, O, S), DMNH EPV.97077 (D, H, L, P, T). Specimens in dorsal, ventral, anterior, posterior and left lateral orientation (from top to bottom). Specimens not to scale. Scale bars = 5 cm.
Figure 2 in Ontogeny and variation of the pachycephalosaurine dinosaur Sphaerotholus buchholtzae, and its systematics within the genus
Figure 2. Schematic diagram of Sphaerotholus buchholtzae (ROM 53584) in dorsal (A), ventral (B), anterior (C), posterior (D) and left lateral (E) orientation. Blue dots and numbers correspond to landmarks used in both 2D and 3D GM analyses. All orientations to scale. Abbreviations: ss, sutural surface; l, left; r, right; aso, anterior supraorbital; n, nasal; prf, prefrontal; po, postorbital; pso, posterior supraorbital; sq, squamosal.
Figure 14 in Ontogeny and variation of the pachycephalosaurine dinosaur Sphaerotholus buchholtzae, and its systematics within the genus
Figure 14. Phylogenetic analyses of Pachycephalosauria conducted during this study. Strict consensus parsimony analysis (left) compared to Bayesian analysis (right). Bold numbers in each analysis indicate clade credibility values; while the smaller numbers with brackets in the parsimony analysis correspond to synapomorphic/autapomorphic characters and states.
Figure 9 in Ontogeny and variation of the pachycephalosaurine dinosaur Sphaerotholus buchholtzae, and its systematics within the genus
Figure 9. Two-dimensional geometric morphometric principal component analysis of examined pachycephalosaurines in dorsal view. Red square = Sphaerotholus edmontonenesis; green star = S. goodwini; blue circle = S. buchholtzae; yellow triangle = Foraminacephale brevis. Blue polygonal space is the enveloping morphospace occupied by S. buchholtzae. Large yellow polygonal space is the enveloping morphospace occupied by Foraminacephale brevis. Specimens not to scale.
Figure 6 in Ontogeny and variation of the pachycephalosaurine dinosaur Sphaerotholus buchholtzae, and its systematics within the genus
Figure 6. Relative void space (= dome vascularity) decreasing throughout the ontogenetic series of Sphaerotholus buchholtzae. A, UCMP 186026; B, UWBM 89701; C, DMNH EPV.97077. All specimens to scale.
Figure 4. Squamosals from select S in Ontogeny and variation of the pachycephalosaurine dinosaur Sphaerotholus buchholtzae, and its systematics within the genus
Figure 4. Squamosals from select S. buchholtzae specimens highlighting some of the observed patterns of variation and the ontogenetic development. A–C, TMP 1987.113.0003 in posterior (A), left posterolateral oblique (B) and left lateral (C) views. D–F, ROM 75835 in posterior (A), dorso- left posterolateral (B) and left posterolateral (C) views. G–I, ROM in dorsal oblique (A), posterior ventral (B) and right lateral oblique (C) views. J–L, ROM 53582 in dorsal oblique (A), posterior ventral (B), and right lateral oblique (C) views. Specimens not to scale. Scale bars = 1 cm.
Figure 1 in Ontogeny and variation of the pachycephalosaurine dinosaur Sphaerotholus buchholtzae, and its systematics within the genus
Figure 1. Sphaerotholus buchholtzae specimens examined in this analysis in left lateral and dorsal orientations. Specimens ranked in hypothesized ontogenetic order. All specimens to scale. Top row (left to right): A, UCMP 186026; B, MOR 3040; C, UWBM 89701; D, MOR 2926; E, LACM 64000; F, ROM 53667; G, ROM 53668. Bottom row (left to right): F, ROM 53667; G, ROM 53668; H, MOR 1605; I, TMP 1987.113.0003; J, USNM PAL 537766; K, ROM 53584; K, ROM 53584; L, DMNH EPV.97077; M, DMNH EPV.97076. All specimens to scale. Scale bar = 5 cm.
Figure 16 in Ontogeny and variation of the pachycephalosaurine dinosaur Sphaerotholus buchholtzae, and its systematics within the genus
Figure 16. Potential morphologies to differentiate between Sphaerotholus buchholtzae and S. edmontonensis. Note the shorter anterior supraorbital (red) and longer postorbital length (blue) of S. buchholtzae – the opposite conditions in S. edmontonensis, the dorsoventrally taller posterior peripherial element contacts (orange) of S. buchholtzae to S. edmontonensis, and the more curved than straight dorsal margins of the anterior peripheral elements (yellow) of S. buchholtzae to S. edmontonensis. Sphaerotholus buchholtzae and S. edmontonensis are equal length in this image, but the actual specimens are not to scale.
Figure 11 in Ontogeny and variation of the pachycephalosaurine dinosaur Sphaerotholus buchholtzae, and its systematics within the genus
Figure 11. Ontogenetic development of landmark positions in Sphaerotholus buchholtzae in dorsal (top) and left lateral (bottom) orientations. Blue landmarks are the immature UCMP 186026, while red landmarks are from the mature ROM 53584. Grading arrows denote the transition of landmarks.
Figure 8 in Ontogeny and variation of the pachycephalosaurine dinosaur Sphaerotholus buchholtzae, and its systematics within the genus
Figure 8. Two-dimensional geometric morphometric principal component analysis of examined pachycephalosaurines in lateral view. Red square = Sphaerotholus edmontonenesis; green star = S. goodwini; blue circle = S. buchholtzae; yellow triangle = Foraminacephale brevis. Blue polygonal space is the enveloping morphospace occupied by S. buchholtzae. Large yellow triangular space is the enveloping morphospace occupied by Foraminacephale brevis. Specimens not to scale.
Figure 3 in The braincase, brain and palaeobiology of the basal sauropodomorph dinosaur Thecodontosaurus antiquus
Figure 3. Model of the basioccipital of Thecodontosaurus antiquus, specimen YPM 2192, in dorsal (A), ventral (B), left lateral (C), anterior (D) and posterior (E) views. Abbreviations: bn, basioccipital neck; bt, basal tubera; ef, endocranial floor; fm, foramen magnum; mfi, metotic fissure; mr, median ridge; oc, occipital condyle; ooas, otoccipital articular surface; psas, parabasisphenoid articular surface; ug, unossified gap. Scale bar: 1 cm.
ScienceDex guides
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These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
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.