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Fig. 1 in Cynodont Teeth from the Carnian (Late Triassic) of Northern Italy
Fig. 1. Sketch map of Italy and Lombardy; bulls eye in inset, right center, indicates fossil locality.
Fig. 3. Gomphodont cynodont Gornogomphodon caffii, holotype MCSNB 5863 in Cynodont Teeth from the Carnian (Late Triassic) of Northern Italy
Fig. 3. Gomphodont cynodont Gornogomphodon caffii, holotype MCSNB 5863, from Zambla Alta, Bergamo (Italy), upper part of the Gorno Formation, Middle Carnian (Late Triassic). The specimen has been whitened with ammonium chloride to enhance tooth morphology. A. Occlusal view. B. Anterior view. C. Anterior view with outlines and relevant morphology traced in black. D. Sketch drawing (restoration) of the anterior view. Scale bars 5 mm.
Fig. 5 in Theropod teeth from the upper Maastrichtian Hell Creek Formation "Sue" Quarry: New morphotypes and faunal comparisons
Fig. 5. Principal components analysis of "Sue" quarry dromaeosaurid teeth. Analysis contained variables height, FABL, basal width, and denticles/ mm. PC 1 ([0.40 FABL]+[0.1 basal width]+[0.54 height]-[0.74 denticles/ mm]) explained 77.53% of the variance. PC 2 ([0.06 FABL]+[0.03 basal width]+[0.79 height]+[0.61 denticles/mm]) explained 20.17% of the variance. PC 3 ([0.91 FABL]+[0.08 basal width]-[0.29 height]+[0.28 denticles/ mm]) explained 2.30% of the variance.
Fig. 2 in Theropod teeth from the upper Maastrichtian Hell Creek Formation "Sue" Quarry: New morphotypes and faunal comparisons
Fig. 2. Scanning electron image of select theropod teeth from the late Maastrichtian "Sue" locality, USA. A–D. Dromaeosauridae: FMNH PR 2893 A), FMNH PR 2896 (B), FMNH PR 2897 (C), FMNH PR 2899 (D). E. Troodontidae: FMNH PR 2900. F. Avialae: FMNH PR 2901. G. Tyrannosauridae: FMNH PR 2902. Scale bars 1 mm (refer to Table 1 for measurements of each tooth).
Fig. 4 in Theropod teeth from the upper Maastrichtian Hell Creek Formation "Sue" Quarry: New morphotypes and faunal comparisons
Fig. 4. Principal components analysis of troodontid teeth from Hell Creek and Lance formations (×) and alleged troodontid tooth FMNH PR 2901 from the "Sue" quarry (circle). Analysis contained variables height, FABL, and denticles/mm. PC 1 ([0.45 FABL]+[0.20 basal width]+[0.68 height]-[0.55 denticles/mm]) explained 48.04% of the variance. PC 2 ([0.01 FABL]+[0.03 basal width]+[0.62 height]+[0.78 denticles/mm]) explained 40.73% of the variance. PC 3 ([0.88 FABL]+[0.05 basal width]-[0.37 height]+[0.28 denticles/mm]) explained 9.46% of the variance.
Fig. 3 in Theropod teeth from the upper Maastrichtian Hell Creek Formation "Sue" Quarry: New morphotypes and faunal comparisons
Fig. 3. Principal components analysis of Richardoestesia teeth from Hell Creek and Lance formations (circles) and dromaeosaurid tooth FMNH PR 2899 from the Sue quarry (cross). Analysis contained variables height, FABL, and denticles/mm. PC 1 ([0.28 FABL]+[0.94 height]-[0.19 denticles/mm]) explained 76.36% of the variance. PC 2 ([0.03 FABL]+[0.18 height]+[0.98 denticles/mm]) explained 22.51% of the variance. PC 3 ([0.96 FABL]-[0.28 height]+[0.02 denticles/mm]) explained 1.13% of the variance.
Fig. 1 in Theropod teeth from the upper Maastrichtian Hell Creek Formation "Sue" Quarry: New morphotypes and faunal comparisons
Fig. 1. Principal components analysis of all teeth from the "Sue" theropod sample, Sankey (2008) tooth database (except Paronychodon and Richardoestesia), and Smith et al. (2005; Deinonychus, Dromaeosaurus, and Troodon). Principal components: (1) ([0.41 FABL]+[0.1 basal width]+[0.90 height]-[0.07 denticles/mm]) explained 77.01% of variance; (2) ([-0.03 FABL]+[0.02 basal width]+[0.09 height]+[1 denticles/mm]) explained 16.58% variance; and (3) ([0.82 FABL]+[0.40 basal width]-[0.41 height]+[0.05 denticles/mm]) 5.00% variance.
Fig. 7 in Theropod teeth from the upper Maastrichtian Hell Creek Formation "Sue" Quarry: New morphotypes and faunal comparisons
Fig. 7. Biplot of dromaeosaurid teeth from "Sue" quarry (dots) and Sankey (2008) database (crosses) measuring height versus denticles/mm. Ovals are the 95% confidence ellipses for each dataset, Sue quarry solid oval and Sankey database in dashed oval. Sue specimens are designated by the specimen number that follows FMNH PR in each instance.
Fig. 6 in Theropod teeth from the upper Maastrichtian Hell Creek Formation "Sue" Quarry: New morphotypes and faunal comparisons
Fig. 6. Principal components analysis of "Sue" quarry dromaeosaurid teeth (dots) in addition to the dromaeosaurid teeth (crosses) included in Sankey (2008). Analysis contained variables height, FABL, and denticles/mm. Basal width was not included because this variable was not included in the Sankey (2008) dataset. PC 1 ([0.38 FABL]+[0 basal width]+[0.90 height]-[0.23 denticles/mm]) explained 89.91% of the variation. PC 2 ([-0.36 FABL]-[0.01 basal width]+[0.38 height]+[0.85 denticles/mm]) explained 6.91% of the variation. PC 3 ([0.85 FABL]-[0.01 basal width]-[0.24 height]+[0.47 denticles/mm]) explained 3.17% of the variation. Ovals are the 95% confidence ellipses for each dataset, "Sue" quarry solid oval and Sankey database in dashed oval. Sue specimens are designated by the specimen number that follows FMNH PR in each instance.
Fig. 3 in The teeth of the unenlagiine theropod Buitreraptor from the Cretaceous of Patagonia, Argentina, and the unusual dentition of the Gondwanan dromaeosaurids
Fig. 3. In situ teeth of the unenlagiine theropod Buitreraptor gonzalezorum Makovicky, Apesteguía, and Agnolín, 2005 (MPCA 245) from the Upper Cretaceous of La Buitrera, northwestern Río Negro, Argentina. A. Right side of skull, showing the zones of the mandible and maxilla with preserved teeth. B. Second and third tooth preserved in the right mandible (the first tooth is very poorly preserved). In the second tooth the central groove is visible on the lateral side of the crown flanked by shallow ridges. C. Fourth, fifth and sixth teeth preserved in the right mandible. D. First to fourth tooth preserved in the right maxilla. Here the central grooves also are visible on the lateral side of the crowns, like B. E. Left side of the skull, showing the zone with preserved teeth. F. First and second teeth preserved on the left mandible. Also visible are the grooves and the ridges of the lateral sides of the crown. G. Posterior view of F. The arrow shows the broken zone of the mandible, where is visible the root of the second tooth.
Fig. 5 in The teeth of the unenlagiine theropod Buitreraptor from the Cretaceous of Patagonia, Argentina, and the unusual dentition of the Gondwanan dromaeosaurids
Fig. 5. SEM micrographs of isolated teeth associated with the holotype of the unenlagiine theropod Buitreraptor gonzalezorum Makovicky, Apesteguía, and Agnolín, 2005 from the Upper Cretaceous of La Buitrera, northwestern Río Negro, Argentina. A. Mesio−lateral view of one isolated tooth (MPCA 245 A2). Note the total absence of carinae and denticles on the mesial edge, and the central depression of the lateral side. B. Lateral side of one isolated tooth (MPCA 245 A5). Note the grooves and the ridges located near of the distal edge of the crown, to the left of the image (grooves are marked with arrows).
Fig. 2 in The teeth of the unenlagiine theropod Buitreraptor from the Cretaceous of Patagonia, Argentina, and the unusual dentition of the Gondwanan dromaeosaurids
Fig. 2. Stratigraphic provenance of unenlagiine taxa, including Buitreraptor. The different taxa silhouettes are in scale each to other.
FIGURE 2 in Imaging of the inner structure of cave bear teeth by novel non-destructive techniques
FIGURE 2. Specimen GS 26-1. Root of a right lower M1 of a senile individual of Ursus ingressus from Gamssulzen cave (Lower Austria). 2.1. Comparison between 3D volume rendering of µ-CT and OCT (ƛc=850 nm) data. 2.2. - 2.4. Axial cross sections of the mesial root by µ-CT at position i)-iii) as depicted in 2.1. The regions marked in red show the area scanned by OCT presented in Figure 3.
FIGURE 1 in Imaging of the inner structure of cave bear teeth by novel non-destructive techniques
FIGURE 1. Orientation of measurement planes with respect to the tooth. The red area signifies the surface area scanned by OCT.
FIGURE 7 in Imaging of the inner structure of cave bear teeth by novel non-destructive techniques
FIGURE 7. Specimen GS 108-2, right lower m1 of a young adult individual of Ursus ingressus from Gamssulzen cave (Lower Austria). Comparison between 7.1. transmitted pulse amplitude, 7.2. time delay of THz measurement and 7.3. µ-CT.
FIGURE 4 in Imaging of the inner structure of cave bear teeth by novel non-destructive techniques
FIGURE 4. Specimen GS 26-1. 4.1. Volume rendering of the 3D µ-CT. The red area marks the region scanned by OCT. 4.2. Sectional view of 3D OCT data. Quicktime format video file of animated OCT scan. 4.3. µ-CT axial crosssectional scans and 4.4. µ-CT en-face scan. Quicktime format video file of animated µ-CT scan.
FIGURE 3 in Imaging of the inner structure of cave bear teeth by novel non-destructive techniques
FIGURE 3. Specimen GS 26-1.Comparison between axial cross-sectional µ-CT and OCT (ƛc=850 nm) images on the distal root at position i-iii, as depicted in Figure 1. 3.1. The cross section close to the collum dentis shows enamel but no annuli. 3.2.-3.3. The cross-sectional images ii) and iii) show annuli.
FIGURE 5 in Imaging of the inner structure of cave bear teeth by novel non-destructive techniques
FIGURE 5. Axial cross-sectional OCT image (ƛc=1300 nm) in the lower third of the tooth radix of specimen. 5.1. GS 26-1 (distal). 5.2. GS 108-1 (mesial). 5.3. GS 108-2 (mesial). The camera images on the left show the OCT scanning region. The OCT images have a lateral dimension of 4 mm. The depth scale bar is stretched according to a refractive index of 1.6, leading to an image depth of about 1mm. The microscope images are 1x1 mm² in true aspect ratio. The depth scale of OCT images and microscope image is identical.
FIGURE 6. 6.1-2 in Imaging of the inner structure of cave bear teeth by novel non-destructive techniques
FIGURE 6. 6.1-2: Comparison between the commercial system at 1300 nm (6.1) and the Lab system at 800 nm (6.2), exemplified by cross-sectional images of the specimen GS 26-1. The arrow in 6.2 indicates a fine structure that cannot be resolved by the 1300 nm system. 6.3-4: Comparison between the commercial system (6.3) and the PS-OCT system at 1500 nm, exemplified by by cross-sectional images of the specimen GS 108-2. 6.4. shows the reflectivity image, and 6.5. the retardation image. The arrow in 6.3 indicates an annual ring, while the arrows in 6.5 indicate birefringence of the tooth.
Fig. 6 in New multituberculate teeth from the Early Cretaceous of Morocco
Fig. 6. Hahnodontidae, gen. et sp. indet., right lower incisor, MNHN SA 102, in lateral (A), mesial (B), dorsal (C), and anterior (D) views. Scale bar 1 mm.
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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)
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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.