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965 results for “Theropods”
Extended Data Figure 4 in A bizarre Jurassic maniraptoran theropod with preserved evidence of membranous wings
Extended Data Figure 4 | Volumetric model generated from superimposed CT slices. Because there is little density contrast between the fossil and the matrix, the outline of the fossil is somewhat vague.
Extended Data Fig. 8 in A new Jurassic scansoriopterygid and the loss of membranous wings in theropod dinosaurs
Extended Data Fig. 8 | Compiled super-tree of the sampled Mesozoic coelurosaurians used in morphometric analyses. Complete tree for the coelurosaurians used in generating the PPCA morphospaces shown in Fig. 3b, c.
the area between the left femur and left manual digits. Arrows denote the positions of the samples. Scale bars, 2 µm. in A new Jurassic scansoriopterygid and the loss of membranous wings in theropod dinosaurs
the area between the left femur and left manual digits. Arrows denote the positions of the samples. Scale bars, 2 µm.
lil, left ilium;; lti, left tibia; pd, pedal digits; and ub, unidentified bony element. The white box indicates the position from which the sample was taken for histological analysis. Scale bars, 10 mm (a, c, d), 20 mm (b). in A new Jurassic scansoriopterygid and the loss of membranous wings in theropod dinosaurs
lil, left ilium;; lti, left tibia; pd, pedal digits; and ub, unidentified bony element. The white box indicates the position from which the sample was taken for histological analysis. Scale bars, 10 mm (a, c, d), 20 mm (b).
Extended Data Fig. 6 in A new Jurassic scansoriopterygid and the loss of membranous wings in theropod dinosaurs
Extended Data Fig. 6 | Scanning electron microscopy photographs of the soft tissues that are preserved in Ambopteryx. a–d, Feather samples associated with the neck. e–f, Samples of membranous tissues taken from the area between the left femur and left manual digits. Arrows denote the positions of the samples. Scale bars, 2 µm.
Extended Data Fig. 1 in A new Jurassic scansoriopterygid and the loss of membranous wings in theropod dinosaurs
Extended Data Fig. 1 | Additional photographs of Ambopteryx, IVPP V24192. a, Counter slab. b, Skeletal reconstruction based on preserved bones. c, Skull. d, Gastroliths and the unidentified bony stomach content. Abbreviations as in Fig. 1, except for: fe, feather associated with the neck; lil, left ilium;; lti, left tibia; pd, pedal digits; and ub, unidentified bony element. The white box indicates the position from which the sample was taken for histological analysis. Scale bars, 10 mm (a, c, d), 20 mm (b).
forelimb is considered (c). Non-avian coelurosaurians are shown in grey, Oviraptorosauria in purple, Scansoriopterygidae in red, Deinonychosauria in green and Aves in blue. Silhouette of Archaeopteryx was from http:// phylopic.org/. Line drawings of the forelimbs of Deinocheirus, Microraptor, Ambopteryx and Dapingfangensis highlight the fact that, uniquely, scansoriopterygids have an elongate forelimb but short metacarpals. in A new Jurassic scansoriopterygid and the loss of membranous wings in theropod dinosaurs
forelimb is considered (c). Non-avian coelurosaurians are shown in grey, Oviraptorosauria in purple, Scansoriopterygidae in red, Deinonychosauria in green and Aves in blue. Silhouette of Archaeopteryx was from http:// phylopic.org/. Line drawings of the forelimbs of Deinocheirus, Microraptor, Ambopteryx and Dapingfangensis highlight the fact that, uniquely, scansoriopterygids have an elongate forelimb but short metacarpals.
vertebra; po, postacetabular process of ilium; pp, pubic peduncle of ilium; pr, preacetabular process of ilium; ra, radius; ti, tibia; ul, ulna; I1, manual phalange I-1; II1, II2 and II3, manual phalanges II-1, II-2 and II-3; III1, III2, III3 and III4, manual phalanges III-1, III-2, III-3 and III-4. Scale bars, 10 mm. in A new Jurassic scansoriopterygid and the loss of membranous wings in theropod dinosaurs
vertebra; po, postacetabular process of ilium; pp, pubic peduncle of ilium; pr, preacetabular process of ilium; ra, radius; ti, tibia; ul, ulna; I1, manual phalange I-1; II1, II2 and II3, manual phalanges II-1, II-2 and II-3; III1, III2, III3 and III4, manual phalanges III-1, III-2, III-3 and III-4. Scale bars, 10 mm.
Fig. 2 in A new Jurassic scansoriopterygid and the loss of membranous wings in theropod dinosaurs
Fig. 2 | Anatomy of Ambopteryx, IVPP V24192. a, Neck and pectoral girdle. b, Caudal vertebrae and pygostyle. c, Left forelimb and membranous soft tissues (blue arrowhead). d, Pelvis and left hindlimb. See Extended Data Fig. 3 for corresponding interpretative line drawings. co, coracoid; fe, femur; fi, fibula; hu, humerus; il, ilium; pc, posterior-most caudal vertebra; po, postacetabular process of ilium; pp, pubic peduncle of ilium; pr, preacetabular process of ilium; ra, radius; ti, tibia; ul, ulna; I1, manual phalange I-1; II1, II2 and II3, manual phalanges II-1, II-2 and II-3; III1, III2, III3 and III4, manual phalanges III-1, III-2, III-3 and III-4. Scale bars, 10 mm.
Figure 18 in A non-archaeopterygid avialan theropod from the Late Jurassic of southern Germany
Figure 18. Proximal end of theropod ulnae, demonstrating character states for character 563. (A) Left ulna of Coelurus fragilis (YPM 2010). (B) Left ulna of Confuciusornis sanctus (JME 1997/1) Scale bar is 10 mm in (A) and in mm in (B). DOI: https://doi.org/10.7554/eLife.43789.025
Figure 17 in A non-archaeopterygid avialan theropod from the Late Jurassic of southern Germany
Figure 17. Development of the tuberculum bicipitale radii in basal avialan theropods. (A) Right elbow joint of Archaeopteryx (Munich specimen). (B) Right elbow joint of the Ottmann and Steil specimen (probably Archaeopteryx). (C) Left elbow joint of Confuciusornis sanctus (SNSB-BSPG 1999 I 15). Abbreviations: hu, humerus; r, radius; tbr, tuberculum bicipitale radii; ul, ulna. DOI: https://doi.org/10.7554/eLife.43789.024
Figure 16 in A non-archaeopterygid avialan theropod from the Late Jurassic of southern Germany
Figure 16. Development of the deltopectoral crest and the facet for the pectoralis muscle in several theropods. (A) Right humerus of the basal maniraptoriform Ornitholestes hermani (AMNH 619). (B) Left humerus (reversed for comparison) of the dromaeosaurid Unenlagia comahuensis (MCF PVPH 78). (C) Right humerus of Alcmonavis poeschli (under ultraviolet light; SNSB-BSPG 2017 I 133). (D) Right humerus of Bucorvus abyssinicus (northern ground hornbill; SNSB-BSPG unnumbered). DOI: https://doi.org/10.7554/eLife.43789.023
Figure 13 in A non-archaeopterygid avialan theropod from the Late Jurassic of southern Germany
Figure 13. Proximal part of the humerus of specimens of Archaeopteryx in anteromedial view, showing the lack of a pronounced facet for the pectoralis muscle in this taxon. (A) London specimen. (B) Thermopolis specimen. DOI: https://doi.org/10.7554/eLife.43789.017
Figure 9 in A non-archaeopterygid avialan theropod from the Late Jurassic of southern Germany
Figure 9. Distal carpals and bases of metacarpals of Alcmonavis poeschli in (A) normal and (B) ultraviolet light. Abbreviations as in Figures 2, 4 and 8, and: patr, palmar trochlear ridge; pltr, plantar trochlear ridge. Scale bar is 5 mm. DOI: https://doi.org/10.7554/eLife.43789.011
Figure 15 in A non-archaeopterygid avialan theropod from the Late Jurassic of southern Germany
Figure 15. Phylogenetic position of Alcmonavis poeschli. Time-calibrated, simplified reduced consensus tree resulting from an analysis of 136 taxa scored for 565 characters under equally-weighted parsimony (see text and supplementary material for details). Nodes with circuit numbers: 1, Maniraptora; 2, Pennaraptora; 3, Paraves; 4, Deinonychosauria; 5, Avialae; 6, Anchiornithidae; 7, Pygostylia; 8, Ornithothoraces. Bremer supports are shown for the clade Avialae. DOI: https://doi.org/10.7554/eLife.43789.019 The following figure supplements are available for figure 15: Figure supplement 1. Full strict consensus tree of the unweighted analysis with Bremer support and Bootstrap values for clades with a support of 50% or more indicated. DOI: https://doi.org/10.7554/eLife.43789.020 Figure supplement 2. Full reduced consensus tree of the unweighted analysis. DOI: https://doi.org/10.7554/eLife.43789.021 Figure supplement 3. Strict consensus tree of the analysis using implied weights with Bremer support and Bootstrap values for clades with a support of 50% or more indicated. DOI: https://doi.org/10.7554/eLife.43789.022
Figure 7 in A non-archaeopterygid avialan theropod from the Late Jurassic of southern Germany
Figure 7. Radius of Alcmonavis poeschli. (A) Proximal end as exposed in medial view. (B) Proximal end in oblique posteromedial view. (C) mid-shaft in medial view. Abbreviations: fu, longitudinal furrow; tbr, tuberculum bicipitale radii. Scale bars are 5 mm. DOI: https://doi.org/10.7554/eLife.43789.009
Figure 6 in A non-archaeopterygid avialan theropod from the Late Jurassic of southern Germany
Figure 6. Distal end of ulna and proximal carpals of Alcmonavis poeschli in (A) normal and (B) ultraviolet light. Abbreviations as in Figures 2 and 4 and: amr, anteromedial ridge. Scale bar is 5 mm. DOI: https://doi.org/10.7554/eLife.43789.008
Figure 4 in A non-archaeopterygid avialan theropod from the Late Jurassic of southern Germany
Figure 4. Antebrachium and manus of Alcmonavis poeschli. Abbreviations as in Figure 1, and: pi, pisiforme; ra, radiale. Scale bar is 5 cm. DOI: https://doi.org/10.7554/eLife.43789.006
Figure 2 in A non-archaeopterygid avialan theropod from the Late Jurassic of southern Germany
Figure 2. Overview photograph of holotype specimen of Alcmonavis poeschli gen. et sp. nov., SNSB-BSPG 2017 I 133. Abbreviations: hu, humerus; mc, metacarpus; r, radius; sl, semilunate carpal; ul, ulna; Roman numerals indicate digits and Arabic numerals indicate phalanges of digits. Scale bar is 5 cm. DOI: https://doi.org/10.7554/eLife.43789.004
Figure 3 in A non-archaeopterygid avialan theropod from the Late Jurassic of southern Germany
Figure 3. Right humerus of Alcmonavis poeschli in (A) normal and (B) ultraviolet light. Abbreviations: dpc, deltopectoral crest; fmb, fossa musculus brachialis; it, internal tuberosity; mp, attachment facet for m. pectoralis; rc, radial condyle. Scale bar is 3 cm. DOI: https://doi.org/10.7554/eLife.43789.005
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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.